refactor: change app name

Author: AnechaS

config.js

@@ -1,4 +1,4 @@
-exports.APP_NAME = 'Gateway Database';
+exports.APP_NAME = 'Database Gateway';
 exports.APP_URL = 'http://localhost:3000';
 exports.APP_WS_URL = 'ws://localhost:3000';
 exports.DEVELOPMENT_MODE = Boolean(process.env.ELECTRON_DEVELOP);