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/diff/libesm/convert/dmp.d.ts

@@ -0,0 +1,8 @@
+import type { ChangeObject } from '../types.js';
+type DmpOperation = 1 | 0 | -1;
+/**
+ * converts a list of change objects to the format returned by Google's [diff-match-patch](https://github.com/google/diff-match-patch) library
+ */
+export declare function convertChangesToDMP<ValueT>(changes: ChangeObject<ValueT>[]): [DmpOperation, ValueT][];
+export {};
+//# sourceMappingURL=dmp.d.ts.map