Update

Author: bregman-arie

README.md

@@ -109,6 +109,7 @@
 <tr>
   <td align="center"><a href="https://play.google.com/store/apps/details?id=com.codingshell.kubeprep"><img src="images/apps/kubeprep.png" width="200px;" height="300px;" alt="KubePrep"/><br /><b>KubePrep</b></a></td>
   <td align="center"><a href="https://play.google.com/store/apps/details?id=com.codingshell.linuxmaster"><img src="images/apps/linux_master.png" width="200px;" height="300px;" alt="Linux Master"/><br /><b>Linux Master</b></a></td>
+  <td align="center"><a href="https://play.google.com/store/apps/details?id=com.codingshell.system_design_hero"><img src="images/apps/system_design_hero.png" width="200px;" height="300px;" alt="Sytem Design Hero"/><br /><b>System Design Hero</b></a></td>
 </tr>
 </table>