Fix gatsby image

org site was merged to .com

Author: stuarthendren

README.md

@@ -3,7 +3,7 @@
     <img alt="Committed" src="./example/Avatar.png" width="60" />
   </a>
   <a href="https://www.gatsbyjs.org">
-    <img alt="Gatsby" src="https://www.gatsbyjs.org/monogram.svg" width="60" />
+    <img alt="Gatsby" src="https://www.gatsbyjs.com/Gatsby-Monogram.svg" width="60" />
   </a>
   <img alt="Docs" src="./docs.svg" width="60" />
 </p>