Update README.md

Author: pietechsolution

README.md

@@ -21,7 +21,12 @@
   ·
   <a href="https://www.ionicfirebaseapp.com/blogs">Blog</a>
   </h2>
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+  
+<p align="center">
+  <a href="https://www.ionicfirebaseapp.com/">
+    <img src="https://res.cloudinary.com/dlx35qw0l/image/upload/v1566380513/todo-App-Banner_xlvq3r.jpg" alt="ionicfirebaseapp logo">
+  </a>
+</p>
 ## Table of contents
 
 - [Quick start](#quick-start)