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/lib/compile.d.ts

@@ -0,0 +1,16 @@
+/**
+ * @param {CompileOptions | null | undefined} [options]
+ * @returns {Compile}
+ */
+export function compile(options?: CompileOptions | null | undefined): Compile;
+export type Media = {
+    image?: boolean | undefined;
+    labelId?: string | undefined;
+    label?: string | undefined;
+    referenceId?: string | undefined;
+    destination?: string | undefined;
+    title?: string | undefined;
+};
+import type { CompileOptions } from 'micromark-util-types';
+import type { Compile } from 'micromark-util-types';
+//# sourceMappingURL=compile.d.ts.map