Add an id to all articles
Add an id to all articles

Summary:
This should provide a better place for the search indexer to link to
Closes https://github.com/facebook/buck/pull/1123

Test Plan:
Loaded http://localhost:9811/rule/gen_aidl.html#content and saw that the
page was navigated to where I expected it to be.

Reviewed By: JoelMarcey, sdwilsh

fbshipit-source-id: 69d7f1a

dsyang/buck,grumpyjames/buck,darkforestzero/buck,zhan-xiong/buck,robbertvanginkel/buck,darkforestzero/buck,kageiit/buck,zhan-xiong/buck,darkforestzero/buck,JoelMarcey/buck,ilya-klyuchnikov/buck,LegNeato/buck,davido/buck,darkforestzero/buck,LegNeato/buck,grumpyjames/buck,robbertvanginkel/buck,marcinkwiatkowski/buck,shs96c/buck,ilya-klyuchnikov/buck,vschs007/buck,Addepar/buck,robbertvanginkel/buck,ilya-klyuchnikov/buck,marcinkwiatkowski/buck,marcinkwiatkowski/buck,Addepar/buck,rmaz/buck,davido/buck,Addepar/buck,shybovycha/buck,ilya-klyuchnikov/buck,vschs007/buck,romanoid/buck,kageiit/buck,rmaz/buck,zhan-xiong/buck,daedric/buck,vschs007/buck,clonetwin26/buck,ilya-klyuchnikov/buck,nguyentruongtho/buck,SeleniumHQ/buck,brettwooldridge/buck,clonetwin26/buck,ilya-klyuchnikov/buck,SeleniumHQ/buck,brettwooldridge/buck,marcinkwiatkowski/buck,rmaz/buck,zhan-xiong/buck,brettwooldridge/buck,JoelMarcey/buck,clonetwin26/buck,zhan-xiong/buck,romanoid/buck,nguyentruongtho/buck,marcinkwiatkowski/buck,vschs007/buck,grumpyjames/buck,robbertvanginkel/buck,zpao/buck,rmaz/buck,dsyang/buck,clonetwin26/buck,k21/buck,daedric/buck,davido/buck,robbertvanginkel/buck,LegNeato/buck,davido/buck,marcinkwiatkowski/buck,romanoid/buck,darkforestzero/buck,LegNeato/buck,Addepar/buck,grumpyjames/buck,zhan-xiong/buck,robbertvanginkel/buck,shs96c/buck,davido/buck,rmaz/buck,dsyang/buck,brettwooldridge/buck,daedric/buck,darkforestzero/buck,grumpyjames/buck,LegNeato/buck,LegNeato/buck,Addepar/buck,zhan-xiong/buck,Addepar/buck,grumpyjames/buck,k21/buck,marcinkwiatkowski/buck,robbertvanginkel/buck,romanoid/buck,vschs007/buck,vschs007/buck,LegNeato/buck,dsyang/buck,clonetwin26/buck,k21/buck,Addepar/buck,davido/buck,shybovycha/buck,SeleniumHQ/buck,dsyang/buck,rmaz/buck,darkforestzero/buck,clonetwin26/buck,romanoid/buck,clonetwin26/buck,robbertvanginkel/buck,dsyang/buck,clonetwin26/buck,shs96c/buck,nguyentruongtho/buck,zpao/buck,marcinkwiatkowski/buck,grumpyjames/buck,ilya-klyuchnikov/buck,ilya-klyuchnikov/buck,clonetwin26/buck,vschs007/buck,ilya-klyuchnikov/buck,dsyang/buck,LegNeato/buck,LegNeato/buck,SeleniumHQ/buck,davido/buck,daedric/buck,marcinkwiatkowski/buck,zpao/buck,nguyentruongtho/buck,facebook/buck,nguyentruongtho/buck,facebook/buck,SeleniumHQ/buck,daedric/buck,brettwooldridge/buck,brettwooldridge/buck,grumpyjames/buck,SeleniumHQ/buck,brettwooldridge/buck,daedric/buck,JoelMarcey/buck,LegNeato/buck,zhan-xiong/buck,vschs007/buck,daedric/buck,vschs007/buck,k21/buck,kageiit/buck,rmaz/buck,robbertvanginkel/buck,clonetwin26/buck,romanoid/buck,shybovycha/buck,shs96c/buck,rmaz/buck,zpao/buck,robbertvanginkel/buck,shybovycha/buck,SeleniumHQ/buck,vschs007/buck,JoelMarcey/buck,zhan-xiong/buck,brettwooldridge/buck,ilya-klyuchnikov/buck,marcinkwiatkowski/buck,nguyentruongtho/buck,brettwooldridge/buck,vschs007/buck,darkforestzero/buck,dsyang/buck,grumpyjames/buck,shybovycha/buck,Addepar/buck,daedric/buck,robbertvanginkel/buck,facebook/buck,JoelMarcey/buck,davido/buck,facebook/buck,nguyentruongtho/buck,darkforestzero/buck,kageiit/buck,SeleniumHQ/buck,JoelMarcey/buck,dsyang/buck,shs96c/buck,vschs007/buck,facebook/buck,JoelMarcey/buck,darkforestzero/buck,Addepar/buck,romanoid/buck,shybovycha/buck,shybovycha/buck,shybovycha/buck,shs96c/buck,romanoid/buck,SeleniumHQ/buck,grumpyjames/buck,brettwooldridge/buck,daedric/buck,daedric/buck,k21/buck,vschs007/buck,k21/buck,rmaz/buck,rmaz/buck,ilya-klyuchnikov/buck,romanoid/buck,dsyang/buck,darkforestzero/buck,clonetwin26/buck,dsyang/buck,romanoid/buck,romanoid/buck,grumpyjames/buck,JoelMarcey/buck,Addepar/buck,Addepar/buck,JoelMarcey/buck,k21/buck,grumpyjames/buck,ilya-klyuchnikov/buck,rmaz/buck,rmaz/buck,robbertvanginkel/buck,zpao/buck,JoelMarcey/buck,Addepar/buck,shybovycha/buck,LegNeato/buck,robbertvanginkel/buck,davido/buck,dsyang/buck,SeleniumHQ/buck,darkforestzero/buck,kageiit/buck,clonetwin26/buck,kageiit/buck,LegNeato/buck,k21/buck,shs96c/buck,shybovycha/buck,facebook/buck,brettwooldridge/buck,SeleniumHQ/buck,davido/buck,daedric/buck,zpao/buck,k21/buck,marcinkwiatkowski/buck,romanoid/buck,shybovycha/buck,shs96c/buck,shybovycha/buck,shs96c/buck,JoelMarcey/buck,JoelMarcey/buck,kageiit/buck,ilya-klyuchnikov/buck,brettwooldridge/buck,marcinkwiatkowski/buck,davido/buck,zhan-xiong/buck,zhan-xiong/buck,JoelMarcey/buck,davido/buck,marcinkwiatkowski/buck,shs96c/buck,facebook/buck,brettwooldridge/buck,SeleniumHQ/buck,dsyang/buck,rmaz/buck,Addepar/buck,k21/buck,zhan-xiong/buck,shs96c/buck,k21/buck,k21/buck,SeleniumHQ/buck,zpao/buck,clonetwin26/buck,shs96c/buck,daedric/buck,zhan-xiong/buck,davido/buck,shs96c/buck,daedric/buck,romanoid/buck,shybovycha/buck,k21/buck,LegNeato/buck,darkforestzero/buck