heading linking

package.json

@@ -29,6 +29,7 @@
     "chalk": "^4.1.2",
     "cli-spinner": "^0.2.10",
     "esbuild-sass-plugin": "^2.9.0",
+    "github-slugger": "^2.0.0",
     "globby": "^13.1.4",
     "gray-matter": "^4.0.3",
     "hast-util-to-jsx-runtime": "^1.2.0",
@@ -38,9 +39,11 @@
     "preact": "^10.14.1",
     "preact-render-to-string": "^6.0.3",
     "pretty-time": "^1.1.0",
+    "rehype-autolink-headings": "^6.1.1",
     "rehype-katex": "^6.0.3",
     "rehype-pretty-code": "^0.9.6",
     "rehype-raw": "^6.1.1",
+    "rehype-slug": "^5.1.0",
     "remark": "^14.0.2",
     "remark-frontmatter": "^4.0.1",
     "remark-gfm": "^3.0.1",