startup config removed from tracking. Startup_config will be created during setup if it does not already exist. Added startup_config_default.json to serve as a basis. If startup_config.json still shows as modified in git status, use 'git rm -r --cached NativeUI/configs/startup_config.json' to remove it.

fixed localisation CLA so that localisation button also respects the change. Also changed the resolution argument in NativeUI to a kwarg to match skip_startup and language