Add initial Microsoft Teams support

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

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

@@ -0,0 +1,13 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// RiskUserActivity undocumented
+type RiskUserActivity struct {
+	// Object is the base model of RiskUserActivity
+	Object
+	// EventTypes undocumented
+	EventTypes []RiskEventType `json:"eventTypes,omitempty"`
+	// Detail undocumented
+	Detail *RiskDetail `json:"detail,omitempty"`
+}