Add initial Microsoft Teams support

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

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

@@ -0,0 +1,35 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "context"
+
+// NotificationMessageTemplateSendTestMessageRequestParameter undocumented
+type NotificationMessageTemplateSendTestMessageRequestParameter struct {
+}
+
+//
+type NotificationMessageTemplateSendTestMessageRequestBuilder struct{ BaseRequestBuilder }
+
+// SendTestMessage action undocumented
+func (b *NotificationMessageTemplateRequestBuilder) SendTestMessage(reqObj *NotificationMessageTemplateSendTestMessageRequestParameter) *NotificationMessageTemplateSendTestMessageRequestBuilder {
+	bb := &NotificationMessageTemplateSendTestMessageRequestBuilder{BaseRequestBuilder: b.BaseRequestBuilder}
+	bb.BaseRequestBuilder.baseURL += "/sendTestMessage"
+	bb.BaseRequestBuilder.requestObject = reqObj
+	return bb
+}
+
+//
+type NotificationMessageTemplateSendTestMessageRequest struct{ BaseRequest }
+
+//
+func (b *NotificationMessageTemplateSendTestMessageRequestBuilder) Request() *NotificationMessageTemplateSendTestMessageRequest {
+	return &NotificationMessageTemplateSendTestMessageRequest{
+		BaseRequest: BaseRequest{baseURL: b.baseURL, client: b.client, requestObject: b.requestObject},
+	}
+}
+
+//
+func (r *NotificationMessageTemplateSendTestMessageRequest) Post(ctx context.Context) error {
+	return r.JSONRequest(ctx, "POST", "", r.requestObject, nil)
+}