feat(toc): implement post table of contents and refactor line number component

theme.yaml

@@ -13,5 +13,5 @@ spec:
   repo: https://git.dev.cm/theme-terminal
   settingName: "theme-terminal-setting"
   configMapName: "theme-terminal-configMap"
-  version: 1.1.10c
+  version: 1.2.1
   require: ">=2.22.0"