Implement the CAP Commander discovery function.
Adds support for it in the shell.
This includes initial babblesim and unit testing as well.
Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
Another round of repeated words cleanup. This commit tries to keep the
diff minimal and line wrapping was mostly left intact in the touched
files, as having them consistent across the documentation is probably
the topic of a future tree-wide cleanup (or not)
Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
