Add the All Contributors badge.

Author: ghengeveld

.all-contributorsrc

@@ -2,6 +2,7 @@
   "files": [
     "README.md"
   ],
+  "badgeTemplate": "<a href=\"#contributors\"><img src=\"https://badgen.net/badge/all%20contributors/<%= contributors.length %>/6d60e6\" alt=\"All Contributors\"></a>",
   "imageSize": 75,
   "commit": false,
   "contributors": [

README.md

@@ -60,6 +60,7 @@
   <a href="https://www.chromaticqa.com/builds?appId=5d7fff2b307e4b0020ae1be4">
     <img src="https://badgen.net/badge/tested%20with/chromatic/fc521f" alt="Chromatic">
   </a>
+  <a href="#contributors"><img src="https://badgen.net/badge/all%20contributors/21/6d60e6" alt="All Contributors"></a>
 </p>
 
 React component and hook for declarative promise resolution and data fetching. Makes it easy to handle every