chore: fix badge

Author: uetchy

README.md

@@ -5,7 +5,7 @@
 <img src="https://raw.githubusercontent.com/uetchy/create-create-app/master/.github/assets/ss1.png" alt="screenshot"/>
 <br/><br/>
 <a href="https://npmjs.org/package/create-create-app"><img src="https://img.shields.io/npm/v/create-create-app.svg"></a>
-<a href="https://npmjs.org/package/create-create-app"><img src="https://flat.badgen.net/npm/dt/create-create-app"></a>
+<a href="https://npmjs.org/package/create-create-app"><img src="https://badgen.net/npm/dt/create-create-app"></a>
 <a href="https://github.com/uetchy/create-create-app/actions?workflow=test"><img src="https://github.com/uetchy/create-create-app/workflows/test/badge.svg"/></a>
 </div>