feat: support code hightlight.

Author: jaywcjlove

package.json

@@ -52,12 +52,13 @@
     "@kkt/less-modules": "6.10.4",
     "@kkt/raw-modules": "6.10.4",
     "@kkt/scope-plugin-options": "6.10.4",
+    "@mapbox/rehype-prism": "0.6.0",
     "@types/react": "17.0.11",
     "@types/react-dom": "17.0.8",
     "@types/react-router-dom": "5.1.7",
     "@types/react-test-renderer": "17.0.1",
-    "@uiw/react-split": "5.7.4",
     "@uiw/react-markdown-preview": "3.1.1",
+    "@uiw/react-split": "5.7.4",
     "husky": "6.0.0",
     "kkt": "6.10.4",
     "lint-staged": "11.0.0",
@@ -66,7 +67,10 @@
     "react-dom": "17.0.2",
     "react-router-dom": "5.2.0",
     "react-test-renderer": "17.0.2",
-    "tsbb": "2.2.1"
+    "rehype": "11.0.0",
+    "rehype-parse": "7.0.1",
+    "tsbb": "2.2.1",
+    "unified": "9.2.1"
   },
   "eslintConfig": {
     "extends": [