Add initial Microsoft Teams support

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

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

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// DomainState undocumented
+type DomainState struct {
+	// Object is the base model of DomainState
+	Object
+	// Status undocumented
+	Status *string `json:"status,omitempty"`
+	// Operation undocumented
+	Operation *string `json:"operation,omitempty"`
+	// LastActionDateTime undocumented
+	LastActionDateTime *time.Time `json:"lastActionDateTime,omitempty"`
+}