fix: Remove .nixpacks and .docker folders

- Delete auto-generated .nixpacks folder
- Delete .docker folder
- Easypanel should use root Dockerfile only
- This prevents confusion with multiple Dockerfile locations

dealplustech-astro/dist/chunks/astro_CKoYlMnM.mjs

@@ -0,0 +1,3 @@
+import 'piccolore';
+import './astro/server_D-JZF3a4.mjs';
+import 'clsx';