Update readme-screenshot link

apps/batclock/README.md

@@ -1,7 +1,7 @@
 <div align="center">
 <h1> BatClock </h1>
 <p align="center">
-  <img src="https://github.com/espruino/BangleApps/raw/master/apps/batclock/assets/screenshot.png" height="240px">
+  <img src="screenshot.png" height="240px">
 </p>
 <h3>Based on Morphing Clock, with an awesome "The Dark Knight" themed logo.
 </h3>
@@ -9,6 +9,7 @@
 <img src="https://img.shields.io/badge/Made%20with-JavaScript-f0db4f?style=for-the-badge&amp;logo=javascipt" alt="Made with JavaScipt"> <img src="https://img.shields.io/badge/Open%20Source%20Hardware-%E2%9A%99-blue?style=for-the-badge&amp;logo=open-source-initiative" alt="Open Source Hardware"> <img src="https://img.shields.io/badge/espruino-%E2%98%95-white?style=for-the-badge" alt="Espruino"> <img src="https://img.shields.io/badge/Built%20With-%E2%99%A1-critical?style=for-the-badge&amp;logo=github" alt="Built with Love">
 
 
+
 </div>
 
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