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-ignore.js

@@ -0,0 +1,23 @@
+(function (Prism) {
+	Prism.languages.ignore = {
+		// https://git-scm.com/docs/gitignore
+		'comment': /^#.*/m,
+		'entry': {
+			pattern: /\S(?:.*(?:(?:\\ )|\S))?/,
+			alias: 'string',
+			inside: {
+				'operator': /^!|\*\*?|\?/,
+				'regex': {
+					pattern: /(^|[^\\])\[[^\[\]]*\]/,
+					lookbehind: true
+				},
+				'punctuation': /\//
+			}
+		}
+	};
+
+	Prism.languages.gitignore = Prism.languages.ignore;
+	Prism.languages.hgignore = Prism.languages.ignore;
+	Prism.languages.npmignore = Prism.languages.ignore;
+
+}(Prism));