Add initial Microsoft Teams support

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

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

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// SynchronizationSchedule undocumented
+type SynchronizationSchedule struct {
+	// Object is the base model of SynchronizationSchedule
+	Object
+	// Expiration undocumented
+	Expiration *time.Time `json:"expiration,omitempty"`
+	// Interval undocumented
+	Interval *time.Duration `json:"interval,omitempty"`
+	// State undocumented
+	State *SynchronizationScheduleState `json:"state,omitempty"`
+}