refactor: Move Astro to root, use PORT env (default 80), allow all hosts

- Move Astro files from dealplustech-astro/ to project root
- Update Dockerfile: PORT environment variable (default 80)
- Add vite.config.ts with allowedHosts: true
- Matches nixpacks behavior for Easypanel deployment
- No hardcoded ports or domains

node_modules/svgo/lib/version.js

@@ -0,0 +1,7 @@
+/**
+ * Version of SVGO.
+ *
+ * @type {string}
+ * @since 4.0.0
+ */
+export const VERSION = '4.0.0';