Add initial Microsoft Teams support

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

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

@@ -0,0 +1,19 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// Property undocumented
+type Property struct {
+	// Object is the base model of Property
+	Object
+	// Name undocumented
+	Name *string `json:"name,omitempty"`
+	// Type undocumented
+	Type *PropertyType `json:"type,omitempty"`
+	// IsSearchable undocumented
+	IsSearchable *bool `json:"isSearchable,omitempty"`
+	// IsRetrievable undocumented
+	IsRetrievable *bool `json:"isRetrievable,omitempty"`
+	// IsQueryable undocumented
+	IsQueryable *bool `json:"isQueryable,omitempty"`
+}