feat: make sure index.ts is not indexed by proxy-index

npm/ng-packs/packages/schematics/src/utils/barrel.ts

@@ -21,7 +21,7 @@ export function generateBarrelFromPath(tree: Tree, indexPath: string) {
   const _exports: string[] = [];
 
   dir.subfiles.forEach(fragment => {
-    if (!fragment.endsWith('.ts')) return;
+    if (!fragment.endsWith('.ts') || fragment === 'index.ts') return;
 
     _exports.push(`export * from './${fragment.replace(/\.ts$/, '')}';`);
   });