added 移动端关于页面优化

content/about.md

@@ -101,8 +101,8 @@ draft: false
         <span class="skill-tag">Jenkins</span>
         <span class="skill-tag">Ansible</span>
         <span class="skill-tag">Prometheus</span>
-        <span class="skill-tag">Grafana</span>
         <span class="skill-tag">ELK</span>
+        <span class="skill-tag">Git</span>
       </div>
     </div>
   </div>