examples: Added pins.py example script to list pin config/af.
examples: Added pins.py example script to list pin config/af.

Script is due to Dave Hylands.

TDAbboud/micropython,paul-xxx/micropython,martinribelotta/micropython,hosaka/micropython,kerneltask/micropython,jmarcelino/pycom-micropython,orionrobots/micropython,blazewicz/micropython,ceramos/micropython,xuxiaoxin/micropython,MrSurly/micropython,suda/micropython,oopy/micropython,pfalcon/micropython,cwyark/micropython,xuxiaoxin/micropython,adafruit/circuitpython,martinribelotta/micropython,aethaniel/micropython,oopy/micropython,Peetz0r/micropython-esp32,pozetroninc/micropython,skybird6672/micropython,hiway/micropython,PappaPeppar/micropython,selste/micropython,rubencabrera/micropython,cwyark/micropython,dinau/micropython,skybird6672/micropython,chrisdearman/micropython,hiway/micropython,matthewelse/micropython,TDAbboud/micropython,feilongfl/micropython,noahchense/micropython,pozetroninc/micropython,redbear/micropython,blazewicz/micropython,firstval/micropython,pfalcon/micropython,orionrobots/micropython,martinribelotta/micropython,ganshun666/micropython,trezor/micropython,ericsnowcurrently/micropython,tuc-osg/micropython,SHA2017-badge/micropython-esp32,lbattraw/micropython,misterdanb/micropython,cwyark/micropython,jlillest/micropython,deshipu/micropython,PappaPeppar/micropython,heisewangluo/micropython,bvernoux/micropython,adafruit/circuitpython,ericsnowcurrently/micropython,HenrikSolver/micropython,warner83/micropython,adafruit/circuitpython,stonegithubs/micropython,dxxb/micropython,HenrikSolver/micropython,mianos/micropython,Timmenem/micropython,adamkh/micropython,ryannathans/micropython,mgyenik/micropython,lowRISC/micropython,ceramos/micropython,methoxid/micropystat,hosaka/micropython,heisewangluo/micropython,vriera/micropython,danicampora/micropython,aethaniel/micropython,kostyll/micropython,ryannathans/micropython,cnoviello/micropython,blmorris/micropython,micropython/micropython-esp32,trezor/micropython,ceramos/micropython,utopiaprince/micropython,trezor/micropython,kostyll/micropython,ahotam/micropython,misterdanb/micropython,kostyll/micropython,pramasoul/micropython,slzatz/micropython,lbattraw/micropython,jmarcelino/pycom-micropython,cloudformdesign/micropython,alex-robbins/micropython,cloudformdesign/micropython,adamkh/micropython,alex-robbins/micropython,lbattraw/micropython,micropython/micropython-esp32,utopiaprince/micropython,deshipu/micropython,tuc-osg/micropython,kerneltask/micropython,alex-robbins/micropython,EcmaXp/micropython,ericsnowcurrently/micropython,cnoviello/micropython,danicampora/micropython,torwag/micropython,Timmenem/micropython,adafruit/micropython,omtinez/micropython,omtinez/micropython,neilh10/micropython,MrSurly/micropython-esp32,utopiaprince/micropython,infinnovation/micropython,dhylands/micropython,toolmacher/micropython,chrisdearman/micropython,adamkh/micropython,mhoffma/micropython,pramasoul/micropython,HenrikSolver/micropython,henriknelson/micropython,selste/micropython,selste/micropython,deshipu/micropython,xhat/micropython,mgyenik/micropython,chrisdearman/micropython,mhoffma/micropython,tobbad/micropython,ryannathans/micropython,MrSurly/micropython,pfalcon/micropython,vriera/micropython,adafruit/micropython,misterdanb/micropython,swegener/micropython,TDAbboud/micropython,tdautc19841202/micropython,SungEun-Steve-Kim/test-mp,adafruit/circuitpython,dhylands/micropython,pfalcon/micropython,jlillest/micropython,dinau/micropython,chrisdearman/micropython,galenhz/micropython,turbinenreiter/micropython,supergis/micropython,hosaka/micropython,methoxid/micropystat,SungEun-Steve-Kim/test-mp,redbear/micropython,firstval/micropython,TDAbboud/micropython,bvernoux/micropython,galenhz/micropython,ericsnowcurrently/micropython,AriZuu/micropython,jimkmc/micropython,xuxiaoxin/micropython,mgyenik/micropython,ericsnowcurrently/micropython,utopiaprince/micropython,pramasoul/micropython,ruffy91/micropython,drrk/micropython,adafruit/micropython,tuc-osg/micropython,noahwilliamsson/micropython,HenrikSolver/micropython,noahwilliamsson/micropython,neilh10/micropython,mianos/micropython,heisewangluo/micropython,praemdonck/micropython,dmazzella/micropython,KISSMonX/micropython,ChuckM/micropython,galenhz/micropython,tralamazza/micropython,kostyll/micropython,mhoffma/micropython,mpalomer/micropython,KISSMonX/micropython,oopy/micropython,kerneltask/micropython,KISSMonX/micropython,ganshun666/micropython,praemdonck/micropython,AriZuu/micropython,heisewangluo/micropython,cnoviello/micropython,drrk/micropython,KISSMonX/micropython,puuu/micropython,pramasoul/micropython,MrSurly/micropython-esp32,xyb/micropython,feilongfl/micropython,ChuckM/micropython,pozetroninc/micropython,ahotam/micropython,puuu/micropython,PappaPeppar/micropython,noahchense/micropython,micropython/micropython-esp32,heisewangluo/micropython,jimkmc/micropython,alex-march/micropython,ganshun666/micropython,tobbad/micropython,ruffy91/micropython,supergis/micropython,mianos/micropython,drrk/micropython,matthewelse/micropython,dxxb/micropython,ernesto-g/micropython,aethaniel/micropython,redbear/micropython,blazewicz/micropython,hosaka/micropython,drrk/micropython,MrSurly/micropython-esp32,tobbad/micropython,dhylands/micropython,alex-robbins/micropython,vriera/micropython,tdautc19841202/micropython,supergis/micropython,ruffy91/micropython,mhoffma/micropython,deshipu/micropython,hosaka/micropython,orionrobots/micropython,torwag/micropython,mgyenik/micropython,lowRISC/micropython,blazewicz/micropython,lbattraw/micropython,noahwilliamsson/micropython,suda/micropython,selste/micropython,warner83/micropython,MrSurly/micropython,lowRISC/micropython,emfcamp/micropython,omtinez/micropython,adafruit/circuitpython,tralamazza/micropython,kerneltask/micropython,henriknelson/micropython,PappaPeppar/micropython,firstval/micropython,warner83/micropython,turbinenreiter/micropython,toolmacher/micropython,toolmacher/micropython,emfcamp/micropython,mgyenik/micropython,SungEun-Steve-Kim/test-mp,mpalomer/micropython,ahotam/micropython,torwag/micropython,xyb/micropython,drrk/micropython,emfcamp/micropython,xyb/micropython,matthewelse/micropython,SungEun-Steve-Kim/test-mp,lowRISC/micropython,galenhz/micropython,cwyark/micropython,xyb/micropython,cloudformdesign/micropython,danicampora/micropython,supergis/micropython,MrSurly/micropython,utopiaprince/micropython,mhoffma/micropython,ChuckM/micropython,feilongfl/micropython,swegener/micropython,AriZuu/micropython,jimkmc/micropython,henriknelson/micropython,infinnovation/micropython,dinau/micropython,bvernoux/micropython,puuu/micropython,vitiral/micropython,redbear/micropython,neilh10/micropython,alex-robbins/micropython,jmarcelino/pycom-micropython,infinnovation/micropython,cwyark/micropython,toolmacher/micropython,aethaniel/micropython,swegener/micropython,adamkh/micropython,EcmaXp/micropython,adamkh/micropython,xyb/micropython,EcmaXp/micropython,alex-march/micropython,rubencabrera/micropython,xhat/micropython,xuxiaoxin/micropython,methoxid/micropystat,MrSurly/micropython,jlillest/micropython,ganshun666/micropython,neilh10/micropython,torwag/micropython,infinnovation/micropython,skybird6672/micropython,jlillest/micropython,noahchense/micropython,dxxb/micropython,Peetz0r/micropython-esp32,tralamazza/micropython,cloudformdesign/micropython,praemdonck/micropython,micropython/micropython-esp32,adafruit/micropython,AriZuu/micropython,slzatz/micropython,ernesto-g/micropython,slzatz/micropython,kerneltask/micropython,cnoviello/micropython,Timmenem/micropython,stonegithubs/micropython,Vogtinator/micropython,bvernoux/micropython,feilongfl/micropython,puuu/micropython,paul-xxx/micropython,Vogtinator/micropython,ernesto-g/micropython,alex-march/micropython,mianos/micropython,suda/micropython,selste/micropython,firstval/micropython,alex-march/micropython,MrSurly/micropython-esp32,HenrikSolver/micropython,ruffy91/micropython,hiway/micropython,puuu/micropython,dmazzella/micropython,slzatz/micropython,warner83/micropython,chrisdearman/micropython,vriera/micropython,noahwilliamsson/micropython,SHA2017-badge/micropython-esp32,tobbad/micropython,matthewelse/micropython,stonegithubs/micropython,ruffy91/micropython,swegener/micropython,ceramos/micropython,henriknelson/micropython,infinnovation/micropython,noahwilliamsson/micropython,neilh10/micropython,orionrobots/micropython,praemdonck/micropython,turbinenreiter/micropython,ahotam/micropython,ryannathans/micropython,dhylands/micropython,warner83/micropython,methoxid/micropystat,rubencabrera/micropython,Peetz0r/micropython-esp32,hiway/micropython,PappaPeppar/micropython,KISSMonX/micropython,tobbad/micropython,micropython/micropython-esp32,ceramos/micropython,vitiral/micropython,lowRISC/micropython,ahotam/micropython,pozetroninc/micropython,Vogtinator/micropython,pramasoul/micropython,blmorris/micropython,turbinenreiter/micropython,tuc-osg/micropython,dxxb/micropython,slzatz/micropython,Peetz0r/micropython-esp32,mianos/micropython,hiway/micropython,noahchense/micropython,praemdonck/micropython,omtinez/micropython,vitiral/micropython,Timmenem/micropython,orionrobots/micropython,paul-xxx/micropython,toolmacher/micropython,omtinez/micropython,dinau/micropython,Vogtinator/micropython,ernesto-g/micropython,lbattraw/micropython,aethaniel/micropython,Vogtinator/micropython,stonegithubs/micropython,misterdanb/micropython,SHA2017-badge/micropython-esp32,rubencabrera/micropython,suda/micropython,pozetroninc/micropython,dmazzella/micropython,emfcamp/micropython,turbinenreiter/micropython,TDAbboud/micropython,pfalcon/micropython,tdautc19841202/micropython,ChuckM/micropython,SHA2017-badge/micropython-esp32,dinau/micropython,ryannathans/micropython,mpalomer/micropython,kostyll/micropython,blmorris/micropython,jmarcelino/pycom-micropython,tralamazza/micropython,AriZuu/micropython,SungEun-Steve-Kim/test-mp,paul-xxx/micropython,xuxiaoxin/micropython,noahchense/micropython,swegener/micropython,xhat/micropython,galenhz/micropython,ernesto-g/micropython,jmarcelino/pycom-micropython,xhat/micropython,feilongfl/micropython,EcmaXp/micropython,mpalomer/micropython,bvernoux/micropython,trezor/micropython,jimkmc/micropython,jimkmc/micropython,danicampora/micropython,rubencabrera/micropython,dhylands/micropython,mpalomer/micropython,skybird6672/micropython,stonegithubs/micropython,tdautc19841202/micropython,supergis/micropython,adafruit/micropython,matthewelse/micropython,skybird6672/micropython,cloudformdesign/micropython,methoxid/micropystat,misterdanb/micropython,deshipu/micropython,MrSurly/micropython-esp32,Timmenem/micropython,vriera/micropython,xhat/micropython,redbear/micropython,torwag/micropython,vitiral/micropython,henriknelson/micropython,cnoviello/micropython,adafruit/circuitpython,dmazzella/micropython,trezor/micropython,tdautc19841202/micropython,blmorris/micropython,Peetz0r/micropython-esp32,martinribelotta/micropython,tuc-osg/micropython,paul-xxx/micropython,ganshun666/micropython,ChuckM/micropython,suda/micropython,blazewicz/micropython,danicampora/micropython,firstval/micropython,EcmaXp/micropython,SHA2017-badge/micropython-esp32,oopy/micropython,vitiral/micropython,martinribelotta/micropython,blmorris/micropython,jlillest/micropython,oopy/micropython,dxxb/micropython,emfcamp/micropython,alex-march/micropython,matthewelse/micropython