Update README

Author: hibiii

.pretty_readme/preview_gray_shark.png

@@ -7,6 +7,7 @@ A Minecraft mod that adds the IKEA BLÅHAJ Soft toy shark and a giant bread pill
 | Item | Preview | Recipe |
 |---|---|---|
 | Soft Toy Shark | <img src="./.pretty_readme/preview_blue_shark.png" height=124/> | ![Crafting recipe for Blåhaj](./.pretty_readme/recipe_blue_shark.png) |
+| Gray Toy Shark | <img src="./.pretty_readme/preview_gray_shark.png" height=124/> | ![Crafting recipe for Klappar Haj](./.pretty_readme/trade_gray_shark.png) |
 | Bread Pillow | <img src="./.pretty_readme/preview_bread.png" height=124/> | ![Crafting recipe for Bread Pillow](./.pretty_readme/recipe_bread.png) |
 
 ## Building