This directory is to serve your locale translation files. Yaml files under this folder are loaded automatically and register with their filenames as locale code.
Check out alpinejs-i18n for more details.
If you are using VS Code, i18n Ally is recommended to make the i18n experience better.
The exetensions settings are already included in the .vscode folder in the root of this project.
It will give you analytics on usage, allow you to add missing translations, preview the text online, and more.