Add initial Microsoft Teams support

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

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

@@ -0,0 +1,23 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// RecurrencePattern undocumented
+type RecurrencePattern struct {
+	// Object is the base model of RecurrencePattern
+	Object
+	// Type undocumented
+	Type *RecurrencePatternType `json:"type,omitempty"`
+	// Interval undocumented
+	Interval *int `json:"interval,omitempty"`
+	// Month undocumented
+	Month *int `json:"month,omitempty"`
+	// DayOfMonth undocumented
+	DayOfMonth *int `json:"dayOfMonth,omitempty"`
+	// DaysOfWeek undocumented
+	DaysOfWeek []DayOfWeek `json:"daysOfWeek,omitempty"`
+	// FirstDayOfWeek undocumented
+	FirstDayOfWeek *DayOfWeek `json:"firstDayOfWeek,omitempty"`
+	// Index undocumented
+	Index *WeekIndex `json:"index,omitempty"`
+}