Using the default dev container build with uv does not work

[Petro31]

When using uv to install packages, the default settings in the initial container cause uv to install packages to the wrong env.

The documentation should cover how to use uv when it's provided by default with the dev container. At the very least, uv and the dev container should be compatible out of the box so that users can uv pip install -r requirements_test_all.txt and vscode launch buttons.