feat: add extension

Author: yanglbme

docs/lc/1.md

@@ -11,7 +11,7 @@ tags:
 edit_url: "https://github.com/doocs/leetcode/edit/main/solution/0000-0099/0001.Two%20Sum/README.md"
 ---
 
-# [1. 两数之和](https://leetcode.cn/problems/two-sum)
+# [1. 两数之和](https://leetcode.cn/problems/two-sum) :unlock:
 
 ## 题目描述
 

mkdocs.yml

@@ -88,6 +88,8 @@ hooks:
 
 markdown_extensions:
   - admonition
+  - attr_list
+  - md_in_html
   - pymdownx.superfences
   - pymdownx.tabbed:
       alternate_style: true
@@ -96,12 +98,12 @@ markdown_extensions:
   - pymdownx.keys
   - pymdownx.mark
   - pymdownx.tilde
-  - attr_list
-  - md_in_html
+  - pymdownx.emoji
   - pymdownx.superfences:
       custom_fences:
         - name: mermaid
           class: mermaid
+  
 
 extra_javascript:
   - javascripts/katex.js