Add initial Microsoft Teams support

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

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

@@ -0,0 +1,11 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// MediaConfig undocumented
+type MediaConfig struct {
+	// Object is the base model of MediaConfig
+	Object
+	// RemoveFromDefaultAudioGroup undocumented
+	RemoveFromDefaultAudioGroup *bool `json:"removeFromDefaultAudioGroup,omitempty"`
+}