feat: add nfo file support

Signed-off-by: Signed-off-by: skjnldsv <skjnldsv@protonmail.com>

Author: nextcloud-command

lib/DirectEditing/TextDirectEditor.php

@@ -87,6 +87,7 @@ public function getMimetypes(): array {
 			'text/x-h',
 			'text/x-java-source',
 			'text/x-ldif',
+			'text/x-nfo',
 			'text/x-python',
 			'text/x-shellscript',
 		];

src/helpers/mime.js

@@ -28,6 +28,7 @@ const openMimetypesPlainText = [
 	'text/x-h',
 	'text/x-java-source',
 	'text/x-ldif',
+	'text/x-nfo',
 	'text/x-python',
 	'text/x-shellscript',
 ]