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/esm/parsers/never.js

@@ -0,0 +1,11 @@
+import { parseAnyDef } from "./any.js";
+export function parseNeverDef(refs) {
+    return refs.target === "openAi"
+        ? undefined
+        : {
+            not: parseAnyDef({
+                ...refs,
+                currentPath: [...refs.currentPath, "not"],
+            }),
+        };
+}