update packages (#53)

update dependencies (#52)

* update frontend dependencies

* update backend dependencies

* update ApplicationDbContextModelSnapshot

* Revert "update ApplicationDbContextModelSnapshot"

This reverts commit c29e692.

* Revert "update backend dependencies"

This reverts commit 16f2af8.

* update dependencies

update github actions

use TimeSpan in unit test

fix .net unit tests

add .net unit tests

use new C# syntax

Update README.md

add Node.js 18 support

add ef tools