Add initial Microsoft Teams support

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

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

@@ -0,0 +1,15 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// AppConfigurationSettingItem undocumented
+type AppConfigurationSettingItem struct {
+	// Object is the base model of AppConfigurationSettingItem
+	Object
+	// AppConfigKey app configuration key.
+	AppConfigKey *string `json:"appConfigKey,omitempty"`
+	// AppConfigKeyType app configuration key type.
+	AppConfigKeyType *MdmAppConfigKeyType `json:"appConfigKeyType,omitempty"`
+	// AppConfigKeyValue app configuration key value.
+	AppConfigKeyValue *string `json:"appConfigKeyValue,omitempty"`
+}