port HTML citation rendering over from side branch by beyackle2 · Pull Request #5151 · microsoft/BotFramework-WebChat

@a-b-r-o-w-n a-b-r-o-w-n Awaiting requested review from a-b-r-o-w-n a-b-r-o-w-n will be requested when the pull request is marked ready for review a-b-r-o-w-n is a code owner

@compulim compulim Awaiting requested review from compulim compulim will be requested when the pull request is marked ready for review compulim is a code owner

@cwhitten cwhitten Awaiting requested review from cwhitten cwhitten will be requested when the pull request is marked ready for review cwhitten is a code owner

@srinaath srinaath Awaiting requested review from srinaath srinaath will be requested when the pull request is marked ready for review srinaath is a code owner

@tdurnford tdurnford Awaiting requested review from tdurnford tdurnford will be requested when the pull request is marked ready for review tdurnford is a code owner

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