docs(contributing): update "got a question or a problem" section
docs(contributing): update "got a question or a problem" section

Inspired by: https://github.com/ng-bootstrap/ng-bootstrap#getting-help
manekinekko/angular,cironunes/angular,Brocco/angular,domusofsail/angular,ghetolay/angular,IgorMinar/angular,chuckjaz/angular,ocombe/angular,vsavkin/angular,nosovk/angular,Toxicable/angular,dtoroshin/n2oDoc,brandonroberts/angular,NathanWalker/angular,royling/angular,IdeaBlade/angular,juleskremer/angular,NathanWalker/angular,smartm0use/angular,pkozlowski-opensource/angular,mlaval/angular,dtoroshin/n2oDoc,vicb/angular,manekinekko/angular,e-hein/angular,matsko/angular,Toxicable/angular,angular-indonesia/angular,graveto/angular,ultrasonicsoft/angular,petebacondarwin/angular,awerlang/angular,asnowwolf/angular,filipesilva/angular,mhevery/angular,chrisse27/angular,not-for-me/angular,vinagreti/angular,heathkit/angular,wKoza/angular,wKoza/angular,cironunes/angular,cassand/angular,chalin/angular,mzgol/angular,mhevery/angular,chuckjaz/angular,jesperronn/angular,rkirov/angular,vamsivarikuti/angular,vicb/angular,Brocco/angular,mhevery/angular,dsebastien/angular,SaltyDH/angular,filipesilva/angular,JiaLiPassion/angular,gnomeontherun/angular,shairez/angular,shairez/angular,diestrin/angular,jesperronn/angular,tolemac/angular,blesh/angular,mgechev/angular,kara/angular,vikerman/angular,mdegoo/angular,mgol/angular,chuckjaz/angular,kara/angular,JSMike/angular,angularbrasil/angular,blesh/angular,vamsivarikuti/angular,StephenFluin/angular,trshafer/angular,chuckjaz/angular,manekinekko/angular,alexeagle/angular,sjtrimble/angular,matsko/angular,rjamet/angular,ValtoFrameworks/Angular-2,gnomeontherun/angular,kylecordes/angular,vikerman/angular,not-for-me/angular,vicb/angular,chalin/angular,xcaliber-tech/angular,angular-indonesia/angular,vsavkin/angular,cassand/angular,StephenFluin/angular,souvikbasu/angular,kegluneq/angular,cassand/angular,mlaval/angular,aboveyou00/angular,mzgol/angular,mzgol/angular,ValtoFrameworks/Angular-2,sjtrimble/angular,angular/angular,rkirov/angular,alexeagle/angular,jasonaden/angular,not-for-me/angular,IgorMinar/angular,Mathou54/angular,blesh/angular,juristr/angular,vinagreti/angular,LucasSloan/angular,tolemac/angular,hansl/angular,snaptech/angular,jonrimmer/angular,nosovk/angular,jasonaden/angular,dejour/angular,jonrimmer/angular,vandres/angular,pk-karthik/framework-js-angular,domusofsail/angular,juristr/angular,laskoviymishka/angular,kara/angular,gjungb/angular,nosovk/angular,diestrin/angular,gjungb/angular,gdi2290/angular,petebacondarwin/angular,tbosch/angular,juristr/angular,rjamet/angular,hansl/angular,kwalrath/angular,vicb/angular,trshafer/angular,Brocco/angular,aboveyou00/angular,pkozlowski-opensource/angular,wKoza/angular,StephenFluin/angular,domusofsail/angular,kylecordes/angular,gkalpak/angular,chajath/angular,AlmogShaul/angular,mzgol/angular,alexeagle/angular,kwalrath/angular,brandonroberts/angular,mdegoo/angular,jonrimmer/angular,tbosch/angular,mzgol/angular,panuruj/angular,smartm0use/angular,sarunint/angular,AlmogShaul/angular,ollie314/angular,kylecordes/angular,vandres/angular,ollie314/angular,dsebastien/angular,ValtoFrameworks/Angular-2,awerlang/angular,angular-indonesia/angular,vsavkin/angular,Toxicable/angular,ollie314/angular,mgol/angular,mikeybyker/angular,rkirov/angular,graveto/angular,juleskremer/angular,asnowwolf/angular,meeroslav/angular,kwalrath/angular,gdi2290/angular,NathanWalker/angular,angular/angular,JSMike/angular,mgiambalvo/angular,royling/angular,ultrasonicsoft/angular,alexeagle/angular,LucasSloan/angular,IdeaBlade/angular,cexbrayat/angular,chrisse27/angular,chajath/angular,ultrasonicsoft/angular,sarunint/angular,juleskremer/angular,petebacondarwin/angular,jesperronn/angular,mlaval/angular,xcaliber-tech/angular,dejour/angular,mhevery/angular,ollie314/angular,blesh/angular,heathkit/angular,Toxicable/angular,kwalrath/angular,JiaLiPassion/angular,juristr/angular,shairez/angular,robwormald/angular,heathkit/angular,jasonaden/angular,mikeybyker/angular,ocombe/angular,rkirov/angular,cexbrayat/angular,hansl/angular,domusofsail/angular,asnowwolf/angular,gjungb/angular,e-hein/angular,dsebastien/angular,vamsivarikuti/angular,dejour/angular,meeroslav/angular,alxhub/angular,mgol/angular,souvikbasu/angular,chajath/angular,hansl/angular,tbosch/angular,filipesilva/angular,trshafer/angular,chrisse27/angular,rjamet/angular,robwormald/angular,awerlang/angular,NathanWalker/angular,tolemac/angular,AlmogShaul/angular,laskoviymishka/angular,brandonroberts/angular,cironunes/angular,awerlang/angular,jasonaden/angular,dejour/angular,petebacondarwin/angular,mhevery/angular,vinagreti/angular,smartm0use/angular,itamark/angular,gdi2290/angular,vamsivarikuti/angular,jasonaden/angular,LucasSloan/angular,SaltyDH/angular,IdeaBlade/angular,mprobst/angular,alxhub/angular,petebacondarwin/angular,e-hein/angular,NathanWalker/angular,panuruj/angular,ultrasonicsoft/angular,AlmogShaul/angular,alexeagle/angular,vamsivarikuti/angular,wKoza/angular,tbosch/angular,ollie314/angular,LucasSloan/angular,kara/angular,heathkit/angular,matsko/angular,shairez/angular,vandres/angular,ocombe/angular,vsavkin/angular,matsko/angular,gra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