feat: integrate AG Grid with Mantine theme and add showcase component

packages/ui/package.json

@@ -9,7 +9,8 @@
     "./provider": "./src/provider/index.ts",
     "./validators": "./src/validators/index.ts",
     "./foundations": "./src/foundations/index.ts",
-    "./constants": "./src/constants/index.ts"
+    "./constants": "./src/constants/index.ts",
+    "./ag-grid": "./src/components/ag-grid/index.ts"
   },
   "license": "MIT",
   "scripts": {
@@ -38,6 +39,9 @@
     "@tiptap/pm": "^3.27.1",
     "@tiptap/react": "^3.27.1",
     "@tiptap/starter-kit": "^3.27.1",
+    "ag-grid-community": "^36.0.1",
+    "ag-grid-enterprise": "^36.0.1",
+    "ag-grid-react": "^36.0.1",
     "dayjs": "^1.11.19",
     "lucide-react": "^1.22.0",
     "react-hook-form": "^7.56.4",