Adding throw block reference

README.md

@@ -13,6 +13,7 @@ This was initially based on Sable Spirit Studio's YT series but has evolved to b
 | ----------- | ------- |
 | Create block | `Left Click` |
 | Delete/Remove block | `Right Click` |
+| Throw block | `Q` |
 | Change selected block (next) | `.` |
 | Change selected block (previous) | `,` |
 | Change selected block | `Scroll Wheel` |