Add Readme to Brotli (#1658)
Add Readme to Brotli (#1658)

* remove old files

* readme

* update example

* recover files

* readme fix

* resolve issues

* fix mistakes

* fix

* issues

stephentoub/corefxlab,ericstj/corefxlab,whoisj/corefxlab,adamsitnik/corefxlab,stephentoub/corefxlab,VSadov/corefxlab,VSadov/corefxlab,stephentoub/corefxlab,ericstj/corefxlab,joshfree/corefxlab,stephentoub/corefxlab,dotnet/corefxlab,whoisj/corefxlab,stephentoub/corefxlab,VSadov/corefxlab,stephentoub/corefxlab,ericstj/corefxlab,joshfree/corefxlab,dotnet/corefxlab,tarekgh/corefxlab,VSadov/corefxlab,ericstj/corefxlab,VSadov/corefxlab,tarekgh/corefxlab,ericstj/corefxlab,ahsonkhan/corefxlab,VSadov/corefxlab,ericstj/corefxlab,benaadams/corefxlab,KrzysztofCwalina/corefxlab,adamsitnik/corefxlab,KrzysztofCwalina/corefxlab,benaadams/corefxlab,ahsonkhan/corefxlab