Add initial Microsoft Teams support

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

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

@@ -0,0 +1,19 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// ShiftChangeRequestObject undocumented
+type ShiftChangeRequestObject struct {
+	// ScheduleChangeRequestObject is the base model of ShiftChangeRequestObject
+	ScheduleChangeRequestObject
+	// RecipientActionMessage undocumented
+	RecipientActionMessage *string `json:"recipientActionMessage,omitempty"`
+	// RecipientActionDateTime undocumented
+	RecipientActionDateTime *time.Time `json:"recipientActionDateTime,omitempty"`
+	// SenderShiftID undocumented
+	SenderShiftID *string `json:"senderShiftId,omitempty"`
+	// RecipientUserID undocumented
+	RecipientUserID *string `json:"recipientUserId,omitempty"`
+}