VoxCaster: every on-demand Darktide voice line on the com wheel or a keybind

- 98 commands across com wheel, item, enemy, ability and blitz groups
- shared command table drives wheel dropdowns, keybinds and localization
- tools/check_upstream.py validates triggers against the game source dump
- weekly GitHub Action opens an issue when triggers change upstream

.gitignore

@@ -0,0 +1,5 @@
+report.json
+report.txt
+__pycache__/
+*.zip
+.DS_Store