fix: Resolve mobile app crash with import.meta and babel config

- Add guard for import.meta in endpoints.ts for React Native compatibility
- Add jsEngine: jsc to app.json to match gradle.properties
- Add @babel/plugin-transform-class-static-block for @pezkuwi/types-codec

mobile/babel.config.cjs

@@ -9,5 +9,8 @@ module.exports = function (api) {
         },
       ],
     ],
+    plugins: [
+      '@babel/plugin-transform-class-static-block',
+    ],
   };
 };