Add initial Microsoft Teams support

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

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

@@ -0,0 +1,15 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// CallRoute undocumented
+type CallRoute struct {
+	// Object is the base model of CallRoute
+	Object
+	// RoutingType undocumented
+	RoutingType *RoutingType `json:"routingType,omitempty"`
+	// Original undocumented
+	Original *IdentitySet `json:"original,omitempty"`
+	// Final undocumented
+	Final *IdentitySet `json:"final,omitempty"`
+}