Updated README.md screenshot.

README.md

@@ -2,7 +2,7 @@
 [![build status](https://gitlab.com/Commit451/LabCoat/badges/master/build.svg)](https://gitlab.com/Commit451/LabCoat/commits/master) [![Discord](https://img.shields.io/discord/304078613114781696.svg)](https://discord.gg/SDxsaKE)
-![Image](https://gitlab.com/Commit451/LabCoat/raw/master/art/screenshot-1.png)
+![Image](art/screenshot-1.png)
 [![Google Play](https://gitlab.com/Commit451/LabCoat/raw/master/art/google-play-badge.png)](https://play.google.com/store/apps/details?id=com.commit451.gitlab)