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/astro/dist/assets/fonts/infra/dev-font-file-id-generator.d.ts

@@ -0,0 +1,16 @@
+import type * as unifont from 'unifont';
+import type { FontFileContentResolver, FontFileIdGenerator, Hasher } from '../definitions.js';
+import type { FontType } from '../types.js';
+export declare class DevFontFileIdGenerator implements FontFileIdGenerator {
+    #private;
+    constructor({ hasher, contentResolver, }: {
+        hasher: Hasher;
+        contentResolver: FontFileContentResolver;
+    });
+    generate({ cssVariable, originalUrl, type, font, }: {
+        originalUrl: string;
+        type: FontType;
+        cssVariable: string;
+        font: unifont.FontFaceData;
+    }): string;
+}