Add initial Microsoft Teams support

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

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

@@ -0,0 +1,21 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// RecurrenceRange undocumented
+type RecurrenceRange struct {
+	// Object is the base model of RecurrenceRange
+	Object
+	// Type undocumented
+	Type *RecurrenceRangeType `json:"type,omitempty"`
+	// StartDate undocumented
+	StartDate *time.Time `json:"startDate,omitempty"`
+	// EndDate undocumented
+	EndDate *time.Time `json:"endDate,omitempty"`
+	// RecurrenceTimeZone undocumented
+	RecurrenceTimeZone *string `json:"recurrenceTimeZone,omitempty"`
+	// NumberOfOccurrences undocumented
+	NumberOfOccurrences *int `json:"numberOfOccurrences,omitempty"`
+}