docs: fix broken image preview link

README.md

@@ -1,7 +1,7 @@
 # IMPORTANT! THIS THEME IS NOT ACTIVELY MAINTAINED ANYMORE BECAUSE IM NOT INTERESTED ON DISCORD THEMING ANYMORE, FORK AND PRs ARE STILL APPRECIATED AND WELCOMED!
 <h1 align="center">Tokyo Night</h1>
 
-![](https://github.com/Dyzean/Tokyo-Night/blob/main/assets/preview.png?raw=true)
+![](https://github.com/Dyzean/Tokyo-Night/blob/main/src/assets/preview.png?raw=true)
 
 <p align="center">A clean, dark, Discord port of the V.S. Code <a href="https://github.com/enkia/tokyo-night-vscode-theme">Tokyo Night</a> theme.</p>