gif should be fixed now

After the previous commit, the gif was for some strange reason not looping

README.md

@@ -28,7 +28,7 @@
 
 <p align="center">
 <a href="https://asciinema.org/a/223115">
-<img src="./images/sherlock_preview.gif"/>
+<img src="./images/sherlock_demo.gif"/>
 </a>
 </p>