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/prismjs/components/prism-bbcode.js

@@ -0,0 +1,29 @@
+Prism.languages.bbcode = {
+	'tag': {
+		pattern: /\[\/?[^\s=\]]+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'"\]=]+))?(?:\s+[^\s=\]]+\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'"\]=]+))*\s*\]/,
+		inside: {
+			'tag': {
+				pattern: /^\[\/?[^\s=\]]+/,
+				inside: {
+					'punctuation': /^\[\/?/
+				}
+			},
+			'attr-value': {
+				pattern: /=\s*(?:"[^"]*"|'[^']*'|[^\s'"\]=]+)/,
+				inside: {
+					'punctuation': [
+						/^=/,
+						{
+							pattern: /^(\s*)["']|["']$/,
+							lookbehind: true
+						}
+					]
+				}
+			},
+			'punctuation': /\]/,
+			'attr-name': /[^\s=\]]+/
+		}
+	}
+};
+
+Prism.languages.shortcode = Prism.languages.bbcode;