fix: restore circular export to ease migration (#1702)

Author: MarshallOfSound

src/index.ts

@@ -7,3 +7,9 @@ export default packager;
 export { allOfficialArchsForPlatformAndVersion, packager, serialHooks };
 
 export * from './types';
+
+module.exports = packager;
+module.exports.allOfficialArchsForPlatformAndVersion = allOfficialArchsForPlatformAndVersion;
+module.exports.packager = packager;
+module.exports.serialHooks = serialHooks;
+module.exports.default = packager;