Update wrapping-up.md

Author: PPPDUD

docs/development/extensions/wrapping-up.md

@@ -17,3 +17,4 @@ Thank you for reading this far.
  - Dynamic menus
  - Block utility stack frames, yield, yieldTick, etc.
  - C-shape blocks such as "if", "if else", "repeat"
+ - how to use `Scratch.translate()` and why you should