Update README.md

README.md

@@ -32,11 +32,14 @@ tags:
   </div>
 </div>
 
-<style>
-  .flex-auto{
-    vertical-align: -100px;
-  }
-</style>
+<a
+  href="https://twitter.com/AiRSTR7"
+  class="mb-2 inline-block rounded px-6 py-2.5 text-white shadow-md"
+  style="background-color: #1da1f2">
+  <svg xmlns="http://www.w3.org/2000/svg" class="h-3.5 w-3.5" fill="currentColor" viewBox="0 0 24 24">
+    <path d="M24 4.557c-.883.392-1.832.656-2.828.775 1.017-.609 1.798-1.574 2.165-2.724-.951.564-2.005.974-3.127 1.195-.897-.957-2.178-1.555-3.594-1.555-3.179 0-5.515 2.966-4.797 6.045-4.091-.205-7.719-2.165-10.148-5.144-1.29 2.213-.669 5.108 1.523 6.574-.806-.026-1.566-.247-2.229-.616-.054 2.281 1.581 4.415 3.949 4.89-.693.188-1.452.232-2.224.084.626 1.956 2.444 3.379 4.6 3.419-2.07 1.623-4.678 2.348-7.29 2.04 2.179 1.397 4.768 2.212 7.548 2.212 9.142 0 14.307-7.721 13.995-14.646.962-.695 1.797-1.562 2.457-2.549z" />
+  </svg>
+</a>
 
 ## 概要 / Overview