feat: add docs nav & page toc

Author: mehdibha

package.json

@@ -47,6 +47,7 @@
     "framer-motion": "^11.0.3",
     "geist": "^1.2.2",
     "lucide-react": "^0.311.0",
+    "mdast-util-toc": "^7.0.0",
     "next": "^14.1.3",
     "next-auth": "^4.24.5",
     "next-mdx-remote": "^4.4.1",
@@ -56,13 +57,15 @@
     "react-hook-form": "^7.49.3",
     "react-resizable-panels": "^2.0.3",
     "react-wrap-balancer": "^1.1.0",
+    "remark": "^15.0.1",
     "remark-gfm": "^3.0.1",
     "sharp": "^0.33.2",
     "sonner": "^1.3.1",
     "svg-parser": "^2.0.4",
     "tailwind-merge": "^2.2.0",
     "tailwindcss-animate": "^1.0.7",
     "tsx": "^4.7.1",
+    "unist-util-visit": "^5.0.0",
     "vfile": "^6.0.1",
     "vfile-matter": "^5.0.0",
     "zod": "^3.22.4"