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/@shikijs/engine-oniguruma/dist/index.d.mts

@@ -0,0 +1,16 @@
+import { L as LoadWasmOptions, R as RegexEngine } from './chunk-index.d.mjs';
+
+declare function loadWasm(options: LoadWasmOptions): Promise<void>;
+
+/**
+ * Set the default wasm loader for `loadWasm`.
+ * @internal
+ */
+declare function setDefaultWasmLoader(_loader: LoadWasmOptions): void;
+/**
+ * @internal
+ */
+declare function getDefaultWasmLoader(): LoadWasmOptions | undefined;
+declare function createOnigurumaEngine(options?: LoadWasmOptions | null): Promise<RegexEngine>;
+
+export { createOnigurumaEngine, getDefaultWasmLoader, loadWasm, setDefaultWasmLoader };