Add initial Microsoft Teams support

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

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

@@ -0,0 +1,11 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// DeliveryOptimizationGroupIDSourceOptions undocumented
+type DeliveryOptimizationGroupIDSourceOptions struct {
+	// DeliveryOptimizationGroupIDSource is the base model of DeliveryOptimizationGroupIDSourceOptions
+	DeliveryOptimizationGroupIDSource
+	// GroupIDSourceOption Set this policy to restrict peer selection to a specific source.
+	GroupIDSourceOption *DeliveryOptimizationGroupIDOptionsType `json:"groupIdSourceOption,omitempty"`
+}