Add initial Microsoft Teams support

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

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

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// LabelingOptions undocumented
+type LabelingOptions struct {
+	// Object is the base model of LabelingOptions
+	Object
+	// LabelID undocumented
+	LabelID *UUID `json:"labelId,omitempty"`
+	// AssignmentMethod undocumented
+	AssignmentMethod *AssignmentMethod `json:"assignmentMethod,omitempty"`
+	// DowngradeJustification undocumented
+	DowngradeJustification *DowngradeJustification `json:"downgradeJustification,omitempty"`
+	// ExtendedProperties undocumented
+	ExtendedProperties []KeyValuePair `json:"extendedProperties,omitempty"`
+}