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/zod-to-json-schema/dist/cjs/parsers/undefined.js

@@ -0,0 +1,10 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.parseUndefinedDef = void 0;
+const any_js_1 = require("./any.js");
+function parseUndefinedDef(refs) {
+    return {
+        not: (0, any_js_1.parseAnyDef)(refs),
+    };
+}
+exports.parseUndefinedDef = parseUndefinedDef;