Add initial Microsoft Teams support

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

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

@@ -0,0 +1,41 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// PrereleaseFeatures undocumented
+type PrereleaseFeatures int
+
+const (
+	// PrereleaseFeaturesVUserDefined undocumented
+	PrereleaseFeaturesVUserDefined PrereleaseFeatures = 0
+	// PrereleaseFeaturesVSettingsOnly undocumented
+	PrereleaseFeaturesVSettingsOnly PrereleaseFeatures = 1
+	// PrereleaseFeaturesVSettingsAndExperimentations undocumented
+	PrereleaseFeaturesVSettingsAndExperimentations PrereleaseFeatures = 2
+	// PrereleaseFeaturesVNotAllowed undocumented
+	PrereleaseFeaturesVNotAllowed PrereleaseFeatures = 3
+)
+
+// PrereleaseFeaturesPUserDefined returns a pointer to PrereleaseFeaturesVUserDefined
+func PrereleaseFeaturesPUserDefined() *PrereleaseFeatures {
+	v := PrereleaseFeaturesVUserDefined
+	return &v
+}
+
+// PrereleaseFeaturesPSettingsOnly returns a pointer to PrereleaseFeaturesVSettingsOnly
+func PrereleaseFeaturesPSettingsOnly() *PrereleaseFeatures {
+	v := PrereleaseFeaturesVSettingsOnly
+	return &v
+}
+
+// PrereleaseFeaturesPSettingsAndExperimentations returns a pointer to PrereleaseFeaturesVSettingsAndExperimentations
+func PrereleaseFeaturesPSettingsAndExperimentations() *PrereleaseFeatures {
+	v := PrereleaseFeaturesVSettingsAndExperimentations
+	return &v
+}
+
+// PrereleaseFeaturesPNotAllowed returns a pointer to PrereleaseFeaturesVNotAllowed
+func PrereleaseFeaturesPNotAllowed() *PrereleaseFeatures {
+	v := PrereleaseFeaturesVNotAllowed
+	return &v
+}