docs: update TODO list

Author: Xiphereal

Desktop/TODO.md

@@ -5,6 +5,7 @@
 - feat: show tasks in as project tree
 - feat: tasks have a state
 - docs: the focus on UX with the accelerators/shortcuts.
+- docs: localization
 - test(e2e): deploy the Backend to Docker rather than being launched locally
 - ci: run e2e tests
     - fix flakiness on CI where sometimes "an element cannot be found"