UPDATE: Adds bindings to update timezone and locale

UPDATE: Update "generate locale" utility

FIX: Minor fixes to UI and proper support for locales/timezones

UPDATE: Adds "display language" setting to core

webapp/app.ironcalc.com/frontend/deploy_testing.sh

@@ -0,0 +1,6 @@
+set -e
+rm -rf dist/*
+npm run build
+cd dist/assets && brotli wasm* && brotli index-*
+cd ..
+scp -r * app.ironcalc.com:~/testing/