Fixes this error when trying to run `gh codespaces ssh`:
error getting ssh server details: failed to start SSH server:
Please check if an SSH server is installed in the container.
This includes a few new options to the .clang-format configuration file
to A) adhere to option changes within clang-format 16 (namely the option
AlignTrailingComments), and B) enforce existing style guide rules with
new clang-format rules.
This commit adds a GitHub Workflow to prebuild the dev container file
present at .devcontainer/devcontainer.json. This prebuilt image is
pushed to GitHub Container Registry (ghcr).
An additional devcontainer.json is added consuming that image.
This dev container can be selected in editors that process dev
containers (ie GitHub Codespaces), to speed up time to editor.
