Add initial Microsoft Teams support

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

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

@@ -0,0 +1,13 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// PatternedRecurrence undocumented
+type PatternedRecurrence struct {
+	// Object is the base model of PatternedRecurrence
+	Object
+	// Pattern undocumented
+	Pattern *RecurrencePattern `json:"pattern,omitempty"`
+	// Range undocumented
+	Range *RecurrenceRange `json:"range,omitempty"`
+}