chore: remove Next.js dependencies and update UI components with standard React

package.json

@@ -28,8 +28,6 @@
     "framer-motion": "^10.18.0",
     "lucide-react": "^0.544.0",
     "motion": "^12.23.24",
-    "next": "^14.2.33",
-    "next-themes": "^0.4.6",
     "popmotion": "^11.0.5",
     "react": "^18.3.1",
     "react-countup": "^6.5.3",
@@ -49,7 +47,6 @@
     "@vitejs/plugin-react": "^5.0.4",
     "autoprefixer": "^10.4.20",
     "eslint": "^8.57.1",
-    "eslint-config-next": "^14.2.33",
     "prettier": "^3.6.2",
     "prettier-plugin-tailwindcss": "^0.6.14",
     "sharp": "^0.33.1",