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/astro/dist/actions/loadActions.js

@@ -0,0 +1,13 @@
+import { ActionsCantBeLoaded } from "../core/errors/errors-data.js";
+import { AstroError } from "../core/errors/index.js";
+import { ENTRYPOINT_VIRTUAL_MODULE_ID } from "./consts.js";
+async function loadActions(moduleLoader) {
+  try {
+    return await moduleLoader.import(ENTRYPOINT_VIRTUAL_MODULE_ID);
+  } catch (error) {
+    throw new AstroError(ActionsCantBeLoaded, { cause: error });
+  }
+}
+export {
+  loadActions
+};