Add build artifacts to .gitignore

Co-authored-by: marcj <[email protected]>

Author: Copilot

.gitignore

@@ -18,3 +18,10 @@ packages/create-app/files/var
 .vs
 .fleet
 .DS_Store
+
+# Build artifacts from consolidated packages
+packages/*/index.js
+packages/*/index.d.ts
+packages/*/index.d.ts.map
+packages/*/tsconfig.tsbuildinfo
+packages/*/dist/