Add initial Microsoft Teams support

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

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

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// AzureADFeatureUsage undocumented
+type AzureADFeatureUsage struct {
+	// Entity is the base model of AzureADFeatureUsage
+	Entity
+	// SnapshotDateTime undocumented
+	SnapshotDateTime *time.Time `json:"snapshotDateTime,omitempty"`
+	// FeatureName undocumented
+	FeatureName *string `json:"featureName,omitempty"`
+	// Usage undocumented
+	Usage *int `json:"usage,omitempty"`
+}