see src/common-utils/README.md for more details.
Use the devcontainer CLI from within the devcontainer, e.g.
devcontainer features test \
--features common-utils \
--skip-scenarios \
--base-image mcr.microsoft.com/devcontainers/base:ubuntu
{ "image": "mcr.microsoft.com/devcontainers/base:ubuntu", "features": { "ghcr.io/BurningEnlightenment/devcontainer-features/common-utils:1": {} } }