Add initial Microsoft Teams support

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

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

@@ -0,0 +1,41 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// UpdateClassification undocumented
+type UpdateClassification int
+
+const (
+	// UpdateClassificationVUserDefined undocumented
+	UpdateClassificationVUserDefined UpdateClassification = 0
+	// UpdateClassificationVRecommendedAndImportant undocumented
+	UpdateClassificationVRecommendedAndImportant UpdateClassification = 1
+	// UpdateClassificationVImportant undocumented
+	UpdateClassificationVImportant UpdateClassification = 2
+	// UpdateClassificationVNone undocumented
+	UpdateClassificationVNone UpdateClassification = 3
+)
+
+// UpdateClassificationPUserDefined returns a pointer to UpdateClassificationVUserDefined
+func UpdateClassificationPUserDefined() *UpdateClassification {
+	v := UpdateClassificationVUserDefined
+	return &v
+}
+
+// UpdateClassificationPRecommendedAndImportant returns a pointer to UpdateClassificationVRecommendedAndImportant
+func UpdateClassificationPRecommendedAndImportant() *UpdateClassification {
+	v := UpdateClassificationVRecommendedAndImportant
+	return &v
+}
+
+// UpdateClassificationPImportant returns a pointer to UpdateClassificationVImportant
+func UpdateClassificationPImportant() *UpdateClassification {
+	v := UpdateClassificationVImportant
+	return &v
+}
+
+// UpdateClassificationPNone returns a pointer to UpdateClassificationVNone
+func UpdateClassificationPNone() *UpdateClassification {
+	v := UpdateClassificationVNone
+	return &v
+}