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-jexl.js

@@ -0,0 +1,14 @@
+Prism.languages.jexl = {
+	'string': /(["'])(?:\\[\s\S]|(?!\1)[^\\])*\1/,
+	'transform': {
+		pattern: /(\|\s*)[a-zA-Zа-яА-Я_\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF$][\wа-яА-Я\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF$]*/,
+		alias: 'function',
+		lookbehind: true
+	},
+	'function': /[a-zA-Zа-яА-Я_\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF$][\wа-яА-Я\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF$]*\s*(?=\()/,
+	'number': /\b\d+(?:\.\d+)?\b|\B\.\d+\b/,
+	'operator': /[<>!]=?|-|\+|&&|==|\|\|?|\/\/?|[?:*^%]/,
+	'boolean': /\b(?:false|true)\b/,
+	'keyword': /\bin\b/,
+	'punctuation': /[{}[\](),.]/,
+};