showcase image updated

Author: ffluxxus

README.md

@@ -15,7 +15,7 @@
 
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-[![ShowcaseImage](https://github.com/ffluxxus/gw2-afkfarmer/blob/main/.github/Untitled.png?raw=true)](https://youtu.be/yx9TBFeYD-0)
+[![ShowcaseImage](https://github.com/ffluxxus/gw2-afkfarmer/blob/main/.github/showcase.png?raw=true)](https://youtu.be/yx9TBFeYD-0)
  *^^ click for showcase video ^^*
 
 ### Description