Add server-side Internationalization (i18n) support

[maznag]

Can we add Internationalization (i18n) support in a server side as for main generator-jhipster (https://www.jhipster.tech/installing-new-languages/#supported-languages) ?

some links to help:

• https://docs.microsoft.com/en-us/aspnet/core/fundamentals/localization?view=aspnetcore-3.1
• https://blog.codingmilitia.com/2019/04/24/aspnet-018-from-zero-to-overkill-internationalization/
• https://www.c-sharpcorner.com/article/internationalization-in-asp-net-core-mvc/
• https://www.syncfusion.com/blogs/post/how-to-use-localization-in-an-asp-net-core-web-api.aspx