fix(examples): basic generator (#7400)

### Description

- correct path name

examples/basic/packages/ui/turbo/generators/config.ts

@@ -21,7 +21,7 @@ export default function generator(plop: PlopTypes.NodePlopAPI): void {
       },
       {
         type: "append",
-        path: "index.tsx",
+        path: "package.json",
         pattern: /"exports": {(?<insertion>)/g,
         template: '"./{{kebabCase name}}": "./src/{{kebabCase name}}.tsx",',
       },