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/dev/lib/initialize/text.d.ts

@@ -0,0 +1,8 @@
+export namespace resolver {
+    let resolveAll: Resolver;
+}
+export const string: InitialConstruct;
+export const text: InitialConstruct;
+import type { Resolver } from 'micromark-util-types';
+import type { InitialConstruct } from 'micromark-util-types';
+//# sourceMappingURL=text.d.ts.map