feat: polish custom widgets and workshop

apps/docs/package.json

@@ -34,20 +34,30 @@
     "@mdx-js/react": "^3.1.1",
     "@nivo/line": "^0.99.0",
     "@scalar/api-reference-react": "catalog:",
+    "@shadcn/react": "catalog:",
     "@tabler/icons-react": "catalog:",
     "@tailwindcss/postcss": "^4.3.2",
     "class-variance-authority": "^0.7.1",
     "clsx": "catalog:",
+    "cmdk": "catalog:",
+    "date-fns": "catalog:",
     "dayjs": "catalog:",
     "docusaurus-plugin-image-zoom": "^3.0.1",
+    "embla-carousel-react": "catalog:",
+    "input-otp": "catalog:",
     "leader-line-new": "^1.1.9",
+    "next-themes": "catalog:",
     "pocketbase": "catalog:",
     "postcss": "^8.5.16",
     "posthog-docusaurus": "^2.0.5",
     "prism-react-renderer": "^2.4.1",
     "random-word-slugs": "^0.1.7",
     "react": "catalog:",
+    "react-day-picker": "catalog:",
     "react-dom": "catalog:",
+    "react-resizable-panels": "catalog:",
+    "recharts": "3.8.0",
+    "sonner": "catalog:",
     "swiper": "^14.0.5",
     "tailwind-merge": "^3.6.0",
     "tailwindcss": "^4.3.2"