README.md: Add Edge to `Browser support` section
README.md: Add Edge to `Browser support` section

Close h5bp/html5-boilerplate#1745

ryandnieves/improve,sn357/is117htmltags,jason-zhai/ccm_prototyping,RanesJan/is218,maulik03/is117-final,maulik03/is117finalexam,kaw393939/is117evening,katy-400/Boiler,ebramk/IS218,rutgersnjit2113/IS117project1,bipinmathew29/IS117,gast499/IS218_assignment1,Mounika15/html5-boilerplate,homer4hire247/IS117-Boilerplate,cw089416/finalproject117,jubileesun/is117-final-project,sumathi89/html5-boilerplate,WillSmith21/Final-Exam,cw089416/is117project1,larmour/html-files,js829/IS117project1,yk92/project2,rn226/HTML5IS117,Krisrinidhi/html5-boilerplate,av255/github,kmj22/html-form,cw089416/finalproject117,jubileesun/is117-final-project,Mounika15/html5-boilerplate,APKaur/project0,homer4hire247/IS117-Boilerplate,js829/form1,Edwinshinobi/html5-IS117,tchalvak/html5-boilerplate,balakumarhs/Balakumar,MourviTrivedi/boilerplate,balakumarhs/Balakumar,jeffreysantos/is218,kaw393939/is117evening,hfb7/HTML-FORM-TUTORIAL-,ofk2/htmlcss,gagiksargsyan/html5-boilerplate,ronakt307/html5boilerplate,JoDa8765/project1,rn226/Project2,elj4/html5boiler,vkhorozian/fivePage,js829/final,kaw393939/project1,Kevaughn/Assignment1,kaw393939/project1s,hajamie/tree,osmanjaffery/IS117,ronakt307/html5boilerplate,AllisonM114/IS-218-Homework1,Big-Zam/project1,roblarsen/html5-boilerplate,Upmacis-Andrejs/12guru_Front-end,BlazerR/Assignment1,nn265/niceproject,evvels2131/is117,swarrier16/boilerCommits,Big-Zam/project0,majaradichevich/majaradichevich.github.io,beera421/myfirstrepo,sap64/mynewrepo,diehard226/is117html5,js829/IS117Project2,JoDa8765/project1,kaw393939/project1,lcs6/finalrepo,roblarsen/html5-boilerplate,forida06/html5bp,Upmacis-Andrejs/1st_demo_project_for_SEM.lv_Front-end,AllisonM114/Is117GitWebsite,ShrutikaM/is117,ses10/is117-Final-Project,hpaghdal/assignment3,av255/av255,ankurgyani/html5boilerplate,nick-forks/nick-html5-boilerplate,rn226/IS117FinalProject,ankurgyani/html5boilerplate,ShrutikaM/is117,Terminocity/terminocity.github.io,sumathi89/html5-boilerplate,MeilinLu/html5-boilerplate,StalynArroyo/Assignment1,MourviTrivedi/boilerplate,sumitrawat1/assignment1,evvels2131/is117,ses10/is117,yk92/project2,nbhamilton94/html5iss117,hfb7/IS117HW1-,gagiksargsyan/html5-boilerplate,WillSmith21/Finalpro,rprouse/html5-boilerplate,js829/IS117Project2,cw089416/project02html,sg772/Assignment1,cjrojas72/html-prac,cw089416/is117project1,cjrojas72/IS117Prac,kaw393939/is117project1,sg772/Assignment1,bchok/boilerplate4,Big-Zam/is117,av255/github,byog/html5-boilerplate,gagiksargsyan/html5-boilerplate-less,Upmacis-Andrejs/2nd_demo_project_for_SEM.lv_Front-end,jshah4563/htmltags,rutgersnjit2113/final-exam,rp528/html5-boilerplate,nick-forks/nick-html5-boilerplate,geosu93/HelloWorld1,jshah4563/is117-project1,WillSmith21/NewProject,cjrojas72/IS117final_test,Edwinshinobi/html5-IS117,rutgersnjit2113/HTMLtags,cjrojas72/IS117final_test,lcs6/HTML-Elements,JoDa8765/html5IS117,tchalvak/html5-boilerplate,elj4/is117-website,gagiksargsyan/html5-boilerplate-less,cjrojas72/html-prac,Upmacis-Andrejs/12guru_Front-end,ses10/is117-Github-HW,deftcat/Fei_Boilerplate,dad29/htmlforms,Deepakzz/assignment1,diehard226/is117website,js829/IS117project1,WillSmith21/Final-Exam,kaw393939/is117project1,nbhamilton94/Project1fa15,vkhorozian/fivePage,kaw393939/html5is117,dad29/htmlforms,AllisonM114/Is117GitWebsite,WillSmith21/NJIT-Repo,jshah4563/practice1,kmj22/is117final,nbhamilton94/html5iss117,jshah4563/practice1,sjp46/timeline,sumitrawat1/assignment1,bipinmathew29/IS117,rb496/html5-boilerplate,sn357/is117htmltags,pankaj-tulaskar/wsda1,lcs6/HTMLForm,Gia636/clone,ses10/is117,domingle/my-website,lcs6/Some-New-Repo,Big-Zam/final,Big-Zam/project1,maulik03/is-117-html,cjrojas72/IS117Prac,ryandnieves/project1,hfb7/test1,cw089416/html5is117,hajamie/tree,gast499/IS218_assignment1,dad29/finalexam,Terminocity/terminocity.github.io,sn357/htmlformtut,kwan098/IS-117,Big-Zam/project0,kaw393939/is117boiler,diehard226/is117html5,JohnnyWalkerDesign/html5-boilerplate,mohand23/project0,SabaNabeel/HTML-Boilerplate,WillSmith21/NJIT-Repo,rp528/html5-boilerplate,snehaltandel/newboilerplate,elj4/IS117FINAL,bogem/my-html5-boilerplate,Deepakzz/assignment1,MeilinLu/html5-boilerplate,kaw393939/html5is117,majaradichevich/majaradichevich.github.io,sn357/htmlformtut,rn226/HTML5IS117,soumitad/html5_boilerplate,sn357/is117html5-,kaw393939/somenewrepo,jimi8394/is117project1,sap64/mynewrepo,ebramk/IS218,cw089416/project01html,lcs6/HTML-Elements,h5bp/html5-boilerplate,geosu93/HelloWorld1,hfb7/HTML-FORM-TUTORIAL-,taupecat/career-day,js829/final,osmanjaffery/IS117,ryandnieves/improve,kmj22/html-form,hfb7/IS117-,cjrojas72/WebFinalProject,hfb7/test1,diehard226/is117finalproject,cmichaelcooper/css-presentation,ars66/boilerplate,sn357/is117final,MaitreyPatel/assigment1,mtf22/Assignment-1,ikoardian/html5-boilerplate,pj92/project1,cjrojas72/FinalTestprep,hfb7/FINALPROJECT-,sn357/is117html5-,larmour/html-files,kmj22/is117final,hfb7/117FINALEXAM,mohand23/finalproject,janina2489/as1,WillSmith21/NewProject,byog/html5-boilerplate,lcs6/finalrepo,forida06/html5bp,lcs6/final,yk92/Portfolio-Page,hfb7/FINALPROJECT-,Upmacis-Andrejs/untrips_Front-end,ikoardian/html5-boilerplate,parepallysvp/clone1,SabaNabeel/HTML-Boilerplate,larmour/html-files,parepallysvp/clone1,WillSmith21/Finalpro,RanesJan/is218,WinOnWorld/is117evening,Edwinshinobi/html5-IS117,Upmacis-Andrejs/1st_demo_project_for_SEM.lv_Front-end,ofk2/is117something,JoDa8765/final-exam,cw089416/project02html,JohnnyWalkerDesign/html5-boilerplate,dad29/finalexam,mtf22/Assignment-1,cw089416/html5is117,rn226/Project2,dad29/project1,RanesJan/is218,cjrojas72/WebFinalProject,sct24/sanford-,kaw393939/somenewrepo,kaw393939/is117boiler,elj4/html5boiler,Kevaughn/Assignment1,diehard226/is117finalproject,mohand23/finalproject,domingle/my-website,ShrutikaM/SP-Flowers,fizzvr/html5-boilerplate,rprouse/html5-boilerplate,fizzvr/html5-boilerplate,StalynArroyo/Assignment1,pba3/htmlboilerplate,rutgersnjit2113/First-Website,Upmacis-Andrejs/untrips_Front-end,lcs6/project1,wvspeters/boilandtrouble,cw089416/project01html,hfb7/IS117-,ofk2/htmlcss,jason-zhai/ccm_prototyping,ShrutikaM/SP-Flowers,ryandnieves/project1,mohand23/project1,AllisonM114/Final-Project,maulik03/Is-117-project-1,Big-Zam/final,Upmacis-Andrejs/2nd_demo_project_for_SEM.lv_Front-end,dad29/htmlforms,nbhamilton94/Project1fa15,elj4/IS117FINAL,sct24/sanford-,diehard226/is117website,bogem/my-html5-boilerplate,hajamie/tree,rb496/html5-boilerplate,elj4/is117-website,bchok/boilerplate4,ofk2/is117something,AllisonM114/Final-Project,deftcat/Fei_Boilerplate,kaw393939/project1s,rutgersnjit2113/First-Website,lcs6/Some-New-Repo,JoDa8765/html5IS117,wvspeters/boilandtrouble,maulik03/117testing,jshah4563/htmltags,lcs6/HTMLForm,rutgersnjit2113/IS117project1,jimi8394/is117project1,h5bp/html5-boilerplate,nn265/niceproject,cjrojas72/FinalTestprep,MaitreyPatel/assigment1,kwan098/IS-117,lcs6/final,lcs6/project1,pba3/htmlboilerplate,av255/av255,katy-400/Boiler,taupecat/career-day,maulik03/is-117-html,swarrier16/boilerCommits,js829/form1,BlazerR/Assignment1,beera421/myfirstrepo,snehaltandel/newboilerplate,cmichaelcooper/css-presentation,mohand23/project1,Gia636/clone,rutgersnjit2113/final-exam,APKaur/project0,hpaghdal/assignment3,RanikaR/Assignment_1,ses10/is117-Github-HW,jeffreysantos/is218,mohand23/project0,WinOnWorld/is117evening,js829/exam,mds39/is117new,mds39/is117new,maulik03/Is-117-project-1,maulik03/is117finalexam,yk92/is117-Project1,hfb7/IS117HW1-,sn357/is117finalexam,rutgersnjit2113/HTMLtags,js829/form1,hfb7/117FINALEXAM,AllisonM114/IS-218-Homework1,jshah4563/finaltest,js829/exam,Krisrinidhi/html5-boilerplate,sn357/is117final,sjp46/assignment3,janina2489/as1,JoDa8765/final-exam,hajamie/tree,dad29/project1,jshah4563/practice2,yk92/Portfolio-Page,yk92/is117-Project1,maulik03/117testing,soumitad/html5_boilerplate,jshah4563/is117-project1,pankaj-tulaskar/wsda1,sjp46/assignment3,Big-Zam/is117,rn226/IS117FinalProject,sn357/is117finalexam,maulik03/is117-final,RanikaR/Assignment_1,sjp46/timeline,ses10/is117-Final-Project,ars66/boilerplate,jshah4563/finaltest,jshah4563/practice2,pj92/project1