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/ohash/dist/shared/ohash.CMR0vuBX.d.mts

@@ -0,0 +1,9 @@
+/**
+ * Compare two objects using reference equality and stable deep hashing.
+ * @param {any} object1 First object
+ * @param {any} object2 Second object
+ * @return {boolean} true if equal and false if not
+ */
+declare function isEqual(object1: any, object2: any): boolean;
+
+export { isEqual as i };