Add initial Microsoft Teams support

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

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

@@ -0,0 +1,15 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// MailAssessmentRequestObject undocumented
+type MailAssessmentRequestObject struct {
+	// ThreatAssessmentRequestObject is the base model of MailAssessmentRequestObject
+	ThreatAssessmentRequestObject
+	// RecipientEmail undocumented
+	RecipientEmail *string `json:"recipientEmail,omitempty"`
+	// DestinationRoutingReason undocumented
+	DestinationRoutingReason *MailDestinationRoutingReason `json:"destinationRoutingReason,omitempty"`
+	// MessageURI undocumented
+	MessageURI *string `json:"messageUri,omitempty"`
+}