Add initial Microsoft Teams support

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

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

@@ -0,0 +1,15 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// UpdateWindow undocumented
+type UpdateWindow struct {
+	// Object is the base model of UpdateWindow
+	Object
+	// UpdateWindowStartTime undocumented
+	UpdateWindowStartTime *time.Time `json:"updateWindowStartTime,omitempty"`
+	// UpdateWindowEndTime undocumented
+	UpdateWindowEndTime *time.Time `json:"updateWindowEndTime,omitempty"`
+}