The insane docker development environment now allows testing of php 7.4(alpha):
openemr/openemr#2498

So, this opens the door for folks to test and fix warnings/errors for php 7.4(alpha). Go get em :)

Currently all building and testing is done on Azure DevOps. However, building and testing on the command line is undocumented.

While it is possible to build using dotnet build, dotnet pack, dotnet test and other commands, it would be simpler for potential contributors if there were a wrapper script to launch these commands.

The technology used for the build script is not that importan

Add translation for Vietnamese language.