Add an interactive 3D weather-journey landing page for Abrban at the site root.

Replace the root redirect with a scroll-driven three.js scene that flies from
overcast clouds through rain and a thunderstorm into a clear blue sunny sky,
fronted by Persian/RTL marketing sections. The dashboard at /dashboard is
untouched.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

frontend/package.json

@@ -9,21 +9,28 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "@react-three/drei": "^9.122.0",
+    "@react-three/fiber": "^8.18.0",
+    "@react-three/postprocessing": "^2.19.1",
     "@tanstack/react-query": "^5.17.0",
     "axios": "^1.6.0",
     "clsx": "^2.1.0",
+    "framer-motion": "^11.18.2",
+    "lenis": "^1.3.23",
     "lucide-react": "^1.7.0",
     "next": "14.1.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-hook-form": "^7.49.0",
     "react-toastify": "^11.0.5",
+    "three": "^0.169.0",
     "zustand": "^4.5.0"
   },
   "devDependencies": {
     "@types/node": "^20.11.0",
     "@types/react": "^18.2.0",
     "@types/react-dom": "^18.2.0",
+    "@types/three": "^0.169.0",
     "autoprefixer": "^10.4.17",
     "eslint": "^8.56.0",
     "eslint-config-next": "14.1.0",