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/hast-util-from-html/lib/index.d.ts

@@ -0,0 +1,16 @@
+/**
+ * Turn serialized HTML into a hast tree.
+ *
+ * @param {VFile | Value} value
+ *   Serialized HTML to parse.
+ * @param {Readonly<Options> | null | undefined} [options]
+ *   Configuration (optional).
+ * @returns {Root}
+ *   Tree.
+ */
+export function fromHtml(value: VFile | Value, options?: Readonly<Options> | null | undefined): Root;
+import { VFile } from 'vfile';
+import type { Value } from 'vfile';
+import type { Options } from './types.js';
+import type { Root } from 'hast';
+//# sourceMappingURL=index.d.ts.map