This patch adds two new command-line flags to specify one or
more kernel capabilities to add or remove from the workflow
containers.
The command-line flag `--container-cap-add` allows for adding
specific capabilities on the workflow containers; where as,
The command-line flag `--container-cap-drop` allows for removing
specific capabilities on the workflow containers.
This was developed to specifically be able to add `SYS_PTRACE`
to a workflow I maintain. It involves using this capability to
monitor a make build, to then build a compilation database.
Signed-off-by: Joseph Benden <joe@benden.us>