feat: add demo user and fix __dirname and fix cdn for panel upload

src/lib/dynamic-import.ts

@@ -1,8 +1,11 @@
-import path from 'path';
+import path, { dirname } from 'path';
+import { fileURLToPath } from 'url';
 export const getRequire = () => {
   return eval('require') as NodeRequire;
 };
 
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
 export const directoryPath = path.resolve(__dirname);
 
 export const defaultImportModules = [