Update Site Config

app/Util/Site/Config.php

@@ -36,6 +36,14 @@ class Config {
 				'site' => [
 					'domain' => config('pixelfed.domain.app'),
 					'url'    => config('app.url')
+				],
+
+				'username' => [
+					'remote' => [
+						'formats' => config('instance.username.remote.formats'),
+						'format' => config('instance.username.remote.format'),
+						'custom' => config('instance.username.remote.custom')
+					]
 				]
 			];
 		});

config/instance.php

@@ -39,5 +39,11 @@ return [
 			'body' => env('PAGE_503_BODY', 'Our service is in maintenance mode, please try again later.')
 		]
 	],
-
+	'username' => [
+		'remote' => [
+			'formats' => ['@', 'from', 'custom'],
+			'format' => in_array(env('USERNAME_REMOTE_FORMAT', '@'), ['@','from','custom']) ? env('USERNAME_REMOTE_FORMAT', '@') : '@',
+			'custom' => env('USERNAME_REMOTE_CUSTOM_TEXT', null)
+		]
+	],
 ];