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/document.d.ts

@@ -0,0 +1,10 @@
+/** @type {InitialConstruct} */
+export const document: InitialConstruct;
+/**
+ * Construct and its state.
+ */
+export type StackItem = [Construct, ContainerState];
+import type { InitialConstruct } from 'micromark-util-types';
+import type { Construct } from 'micromark-util-types';
+import type { ContainerState } from 'micromark-util-types';
+//# sourceMappingURL=document.d.ts.map