add headings to README
add headings to README

PolymerLabs/babel,claudiopro/babel,dekelcohen/babel,existentialism/babel,Mark-Simulacrum/babel,shuhei/babel,babel/babel,hulkish/babel,existentialism/babel,douglasduteil/babel,zjmiller/babel,vadzim/babel,iamchenxin/babel,KunGha/babel,babel/babel,garyjN7/babel,chicoxyzzy/babel,tikotzky/babel,drieks/babel,CrocoDillon/babel,samwgoldman/babel,garyjN7/babel,kaicataldo/babel,kpdecker/babel,kaicataldo/babel,zjmiller/babel,iamstarkov/babel,Industrial/babel,krasimir/babel,jhen0409/babel,benjamn/babel,rmacklin/babel,jchip/babel,kaicataldo/babel,zenparsing/babel,rmacklin/babel,existentialism/babel,maurobringolf/babel,kedromelon/babel,mgcrea/babel,AgentME/babel,jeffmo/babel,KunGha/babel,iamstarkov/babel,maurobringolf/babel,ccschneidr/babel,hzoo/babel,ameyms/babel,mgcrea/babel,dustyjewett/babel-plugin-transform-es2015-modules-commonjs-ember,benjamn/babel,jridgewell/babel,jridgewell/babel,drieks/babel,babel/babel,zertosh/babel,kedromelon/babel,hulkish/babel,chicoxyzzy/babel,kedromelon/babel,iamchenxin/babel,tikotzky/babel,antn/babel,fabiomcosta/babel,lxe/babel,samwgoldman/babel,drieks/babel,Industrial/babel,bcoe/babel,hulkish/babel,claudiopro/babel,jridgewell/babel,iamchenxin/babel,kaicataldo/babel,babel/babel,jchip/babel,chicoxyzzy/babel,vhf/babel,jhen0409/babel,kellyselden/babel,Skillupco/babel,bcoe/babel,Skillupco/babel,douglasduteil/babel,hzoo/babel,douglasduteil/babel,samwgoldman/babel,guybedford/babel,CrocoDillon/babel,AgentME/babel,ccschneidr/babel,STRML/babel,jeffmo/babel,Mark-Simulacrum/babel,mrtrizer/babel,PolymerLabs/babel,STRML/babel,dekelcohen/babel,guybedford/babel,antn/babel,guybedford/babel,PolymerLabs/babel,kellyselden/babel,Mark-Simulacrum/babel,jridgewell/babel,fabiomcosta/babel,kpdecker/babel,krasimir/babel,ameyms/babel,mgcrea/babel,hzoo/babel,Skillupco/babel,vadzim/babel,kellyselden/babel,kellyselden/babel,DmitrySoshnikov/babel,maurobringolf/babel,lxe/babel,kassens/babel,jeffmo/babel,hzoo/babel,hulkish/babel,mrtrizer/babel,zertosh/babel,Skillupco/babel,shuhei/babel,DmitrySoshnikov/babel,vhf/babel,shuhei/babel,chicoxyzzy/babel,claudiopro/babel,zenparsing/babel,kassens/babel