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/assets/fonts/infra/build-font-file-id-generator.js

@@ -0,0 +1,17 @@
+class BuildFontFileIdGenerator {
+  #hasher;
+  #contentResolver;
+  constructor({
+    hasher,
+    contentResolver
+  }) {
+    this.#hasher = hasher;
+    this.#contentResolver = contentResolver;
+  }
+  generate({ originalUrl, type }) {
+    return `${this.#hasher.hashString(this.#contentResolver.resolve(originalUrl))}.${type}`;
+  }
+}
+export {
+  BuildFontFileIdGenerator
+};