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-apl.min.js

@@ -0,0 +1 @@
+Prism.languages.apl={comment:/(?:⍝|#[! ]).*$/m,string:{pattern:/'(?:[^'\r\n]|'')*'/,greedy:!0},number:/¯?(?:\d*\.?\b\d+(?:e[+¯]?\d+)?|¯|∞)(?:j¯?(?:(?:\d+(?:\.\d+)?|\.\d+)(?:e[+¯]?\d+)?|¯|∞))?/i,statement:/:[A-Z][a-z][A-Za-z]*\b/,"system-function":{pattern:/⎕[A-Z]+/i,alias:"function"},constant:/[⍬⌾#⎕⍞]/,function:/[-+×÷⌈⌊∣|⍳⍸?*⍟○!⌹<≤=>≥≠≡≢∊⍷∪∩~∨∧⍱⍲⍴,⍪⌽⊖⍉↑↓⊂⊃⊆⊇⌷⍋⍒⊤⊥⍕⍎⊣⊢⍁⍂≈⍯↗¤→]/,"monadic-operator":{pattern:/[\\\/⌿⍀¨⍨⌶&∥]/,alias:"operator"},"dyadic-operator":{pattern:/[.⍣⍠⍤∘⌸@⌺⍥]/,alias:"operator"},assignment:{pattern:/←/,alias:"keyword"},punctuation:/[\[;\]()◇⋄]/,dfn:{pattern:/[{}⍺⍵⍶⍹∇⍫:]/,alias:"builtin"}};