fix(markdown): restore document creation and updates - #2940

fix(markdown): restore document creation and updates#2940

George Ng (GeorgeNgMsft) wants to merge 7 commits into

mainmicrosoft/TypeAgent:mainfrom

georgengmsft-bind-markdown-loopbackmicrosoft/TypeAgent:georgengmsft-bind-markdown-loopbackCopy head branch name to clipboard