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-brainfuck.js

@@ -0,0 +1,20 @@
+Prism.languages.brainfuck = {
+	'pointer': {
+		pattern: /<|>/,
+		alias: 'keyword'
+	},
+	'increment': {
+		pattern: /\+/,
+		alias: 'inserted'
+	},
+	'decrement': {
+		pattern: /-/,
+		alias: 'deleted'
+	},
+	'branching': {
+		pattern: /\[|\]/,
+		alias: 'important'
+	},
+	'operator': /[.,]/,
+	'comment': /\S+/
+};