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-properties.js

@@ -0,0 +1,13 @@
+Prism.languages.properties = {
+	'comment': /^[ \t]*[#!].*$/m,
+	'value': {
+		pattern: /(^[ \t]*(?:\\(?:\r\n|[\s\S])|[^\\\s:=])+(?: *[=:] *(?! )| ))(?:\\(?:\r\n|[\s\S])|[^\\\r\n])+/m,
+		lookbehind: true,
+		alias: 'attr-value'
+	},
+	'key': {
+		pattern: /^[ \t]*(?:\\(?:\r\n|[\s\S])|[^\\\s:=])+(?= *[=:]| )/m,
+		alias: 'attr-name'
+	},
+	'punctuation': /[=:]/
+};