Add demo source code

package.json

@@ -9,19 +9,47 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "@hookform/resolvers": "^5.1.1",
+    "@radix-ui/react-checkbox": "^1.3.2",
+    "@radix-ui/react-dialog": "^1.1.14",
+    "@radix-ui/react-dropdown-menu": "^2.1.15",
+    "@radix-ui/react-label": "^2.1.7",
+    "@radix-ui/react-popover": "^1.1.14",
+    "@radix-ui/react-radio-group": "^1.3.7",
+    "@radix-ui/react-select": "^2.2.5",
+    "@radix-ui/react-separator": "^1.1.7",
+    "@radix-ui/react-slot": "^1.2.3",
+    "@radix-ui/react-switch": "^1.2.5",
+    "@radix-ui/react-tabs": "^1.1.12",
+    "@radix-ui/react-tooltip": "^1.2.7",
+    "@tanstack/react-table": "^8.21.3",
+    "axios": "^1.10.0",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "date-fns": "^4.1.0",
+    "lowdb": "^7.0.1",
+    "lucide-react": "^0.525.0",
+    "next": "15.3.5",
+    "next-themes": "^0.4.6",
     "react": "^19.0.0",
+    "react-day-picker": "^9.8.0",
     "react-dom": "^19.0.0",
-    "next": "15.3.5"
+    "react-hook-form": "^7.60.0",
+    "sonner": "^2.0.6",
+    "tailwind-merge": "^3.3.1",
+    "zod": "^3.25.74"
   },
   "devDependencies": {
-    "typescript": "^5",
+    "@eslint/eslintrc": "^3",
+    "@tailwindcss/postcss": "^4",
+    "@types/lowdb": "^1.0.15",
     "@types/node": "^20",
     "@types/react": "^19",
     "@types/react-dom": "^19",
-    "@tailwindcss/postcss": "^4",
-    "tailwindcss": "^4",
     "eslint": "^9",
     "eslint-config-next": "15.3.5",
-    "@eslint/eslintrc": "^3"
+    "tailwindcss": "^4",
+    "tw-animate-css": "^1.3.5",
+    "typescript": "^5"
   }
 }