Fix index file path

Author: razor-x

codegen/lib/connect.ts

@@ -69,7 +69,10 @@ export const connect = (
     const k =
       parentPath === ''
         ? `${rootPath}/index.js`
-        : `${rootPath}/${kebabCase(parentPath)}/index.js`
+        : `${rootPath}${parentPath
+            .split('/')
+            .map((p) => kebabCase(p))
+            .join('/')}/index.js`
     files[k] = { contents: Buffer.from('\n') }
     const file = files[k] as unknown as File
     file.layout = 'route-index.hbs'