Add initial Microsoft Teams support

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

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

@@ -0,0 +1,25 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// ItemReference undocumented
+type ItemReference struct {
+	// Object is the base model of ItemReference
+	Object
+	// DriveID undocumented
+	DriveID *string `json:"driveId,omitempty"`
+	// DriveType undocumented
+	DriveType *string `json:"driveType,omitempty"`
+	// ID undocumented
+	ID *string `json:"id,omitempty"`
+	// Name undocumented
+	Name *string `json:"name,omitempty"`
+	// Path undocumented
+	Path *string `json:"path,omitempty"`
+	// ShareID undocumented
+	ShareID *string `json:"shareId,omitempty"`
+	// SharepointIDs undocumented
+	SharepointIDs *SharepointIDs `json:"sharepointIds,omitempty"`
+	// SiteID undocumented
+	SiteID *string `json:"siteId,omitempty"`
+}