Add initial Microsoft Teams support

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

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

@@ -0,0 +1,19 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// SynchronizationProgress undocumented
+type SynchronizationProgress struct {
+	// Object is the base model of SynchronizationProgress
+	Object
+	// CompletedUnits undocumented
+	CompletedUnits *int `json:"completedUnits,omitempty"`
+	// ProgressObservationDateTime undocumented
+	ProgressObservationDateTime *time.Time `json:"progressObservationDateTime,omitempty"`
+	// TotalUnits undocumented
+	TotalUnits *int `json:"totalUnits,omitempty"`
+	// Units undocumented
+	Units *string `json:"units,omitempty"`
+}