Move page_settings.js to modules/page_settings.js

Signed-off-by: Maurício Meneghini Fauth <mauricio@fauth.dev>

js/src/main.js

@@ -3,7 +3,7 @@ import { AJAX } from './modules/ajax.js';
 import { Functions } from './modules/functions.js';
 import { KeyHandlerEvents } from './modules/keyhandler.js';
 import { Navigation } from './modules/navigation.js';
-import { PageSettings } from './page_settings.js';
+import { PageSettings } from './modules/page_settings.js';
 import { crossFramingProtection } from './modules/cross_framing_protection.js';
 import { Indexes } from './indexes.js';
 import { Config } from './config.js';