💜 Updates contributors list

README.md

@@ -169,7 +169,7 @@ Callisto theme is also available for [Listed](https://listed.to) blogs! Check ou
  </td>
  <td align="center">
   <a href="https://github.com/semiceau">
-  <img src="https://avatars.githubusercontent.com/u/50425951?v=4" width="80;" alt="semiceau"/>
+  <img src="https://avatars.githubusercontent.com/u/50425951?u=f8c386b966312769f559422adf0dbc7e2f116258&v=4" width="80;" alt="semiceau"/>
   <br />
   <sub><b>GT</b></sub>
   </a>
@@ -189,6 +189,13 @@ Callisto theme is also available for [Listed](https://listed.to) blogs! Check ou
   <sub><b>Frankdez93</b></sub>
   </a>
  </td>
+ <td align="center">
+  <a href="https://github.com/st617">
+  <img src="https://avatars.githubusercontent.com/u/128325650?v=4" width="80;" alt="st617"/>
+  <br />
+  <sub><b>st617</b></sub>
+  </a>
+ </td>
  <td align="center">
   <a href="https://github.com/nrvo">
   <img src="https://avatars.githubusercontent.com/u/151435968?u=e1dcb307fd0efdc45cddbe9490a7b956e4da6835&v=4" width="80;" alt="nrvo"/>