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/plugins/removeMetadata.js

@@ -0,0 +1,25 @@
+import { detachNodeFromParent } from '../lib/xast.js';
+
+export const name = 'removeMetadata';
+export const description = 'removes <metadata>';
+
+/**
+ * Remove <metadata>.
+ *
+ * https://www.w3.org/TR/SVG11/metadata.html
+ *
+ * @author Kir Belevich
+ *
+ * @type {import('../lib/types.js').Plugin}
+ */
+export const fn = () => {
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (node.name === 'metadata') {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};