Add initial Microsoft Teams support

Documentation on https://github.com/42wim/matterbridge/wiki/MS-Teams-setup

vendor/github.com/yaegashi/msgraph.go/beta/WorkbookCommentModel.go

@@ -0,0 +1,15 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// WorkbookComment undocumented
+type WorkbookComment struct {
+	// Entity is the base model of WorkbookComment
+	Entity
+	// Content undocumented
+	Content *string `json:"content,omitempty"`
+	// ContentType undocumented
+	ContentType *string `json:"contentType,omitempty"`
+	// Replies undocumented
+	Replies []WorkbookCommentReply `json:"replies,omitempty"`
+}