Add initial Microsoft Teams support

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

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

@@ -0,0 +1,13 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// IdentityUserFlow undocumented
+type IdentityUserFlow struct {
+	// Entity is the base model of IdentityUserFlow
+	Entity
+	// UserFlowType undocumented
+	UserFlowType *UserFlowType `json:"userFlowType,omitempty"`
+	// UserFlowTypeVersion undocumented
+	UserFlowTypeVersion *float64 `json:"userFlowTypeVersion,omitempty"`
+}