feat: add rehype-prism-plus and docs

package.json

@@ -12,7 +12,6 @@
     "prepare": "husky install"
   },
   "dependencies": {
-    "@mapbox/rehype-prism": "^0.6.0",
     "@tailwindcss/forms": "^0.3.2",
     "@tailwindcss/typography": "^0.4.0",
     "autoprefixer": "^10.2.5",
@@ -27,6 +26,7 @@
     "react-dom": "17.0.2",
     "reading-time": "1.3.0",
     "rehype-katex": "^5.0.0",
+    "rehype-prism-plus": "0.0.1",
     "remark-autolink-headings": "6.0.1",
     "remark-footnotes": "^3.0.0",
     "remark-gfm": "^1.0.0",