Add initial Microsoft Teams support

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

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

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// Component undocumented
+type Component int
+
+const (
+	// ComponentVLabel undocumented
+	ComponentVLabel Component = 0
+)
+
+// ComponentPLabel returns a pointer to ComponentVLabel
+func ComponentPLabel() *Component {
+	v := ComponentVLabel
+	return &v
+}