Added Git API
Updated the adapter with https://github.com/MicrosoftDocs/vsts-rest-api-specs/blob/master/specification/git/7.1/git.json
Solves: ADAPT-2009
Edited by Bogdan Tabor
Updated the adapter with https://github.com/MicrosoftDocs/vsts-rest-api-specs/blob/master/specification/git/7.1/git.json
Solves: ADAPT-2009