Add initial Microsoft Teams support

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

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

@@ -0,0 +1,57 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// Modality undocumented
+type Modality int
+
+const (
+	// ModalityVUnknown undocumented
+	ModalityVUnknown Modality = 0
+	// ModalityVAudio undocumented
+	ModalityVAudio Modality = 1
+	// ModalityVVideo undocumented
+	ModalityVVideo Modality = 2
+	// ModalityVVideoBasedScreenSharing undocumented
+	ModalityVVideoBasedScreenSharing Modality = 3
+	// ModalityVData undocumented
+	ModalityVData Modality = 4
+	// ModalityVUnknownFutureValue undocumented
+	ModalityVUnknownFutureValue Modality = 5
+)
+
+// ModalityPUnknown returns a pointer to ModalityVUnknown
+func ModalityPUnknown() *Modality {
+	v := ModalityVUnknown
+	return &v
+}
+
+// ModalityPAudio returns a pointer to ModalityVAudio
+func ModalityPAudio() *Modality {
+	v := ModalityVAudio
+	return &v
+}
+
+// ModalityPVideo returns a pointer to ModalityVVideo
+func ModalityPVideo() *Modality {
+	v := ModalityVVideo
+	return &v
+}
+
+// ModalityPVideoBasedScreenSharing returns a pointer to ModalityVVideoBasedScreenSharing
+func ModalityPVideoBasedScreenSharing() *Modality {
+	v := ModalityVVideoBasedScreenSharing
+	return &v
+}
+
+// ModalityPData returns a pointer to ModalityVData
+func ModalityPData() *Modality {
+	v := ModalityVData
+	return &v
+}
+
+// ModalityPUnknownFutureValue returns a pointer to ModalityVUnknownFutureValue
+func ModalityPUnknownFutureValue() *Modality {
+	v := ModalityVUnknownFutureValue
+	return &v
+}