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/micromark-extension-gfm-table/lib/html.d.ts

@@ -0,0 +1,11 @@
+/**
+ * Create an HTML extension for `micromark` to support GitHub tables when
+ * serializing to HTML.
+ *
+ * @returns {HtmlExtension}
+ *   Extension for `micromark` that can be passed in `htmlExtensions` to
+ *   support GitHub tables when serializing to HTML.
+ */
+export function gfmTableHtml(): HtmlExtension;
+import type { HtmlExtension } from 'micromark-util-types';
+//# sourceMappingURL=html.d.ts.map