[click_helper] Add docs to avoid Sphinx warnings

4 jobs for click-8 in 9 minutes and 56 seconds (queued for 7 seconds)
Status Name Job ID Coverage
  Build
passed build_linux_37 #242922
docker

00:07:36

75.0%
passed build_linux_38 #242923
docker

00:06:58

75.0%
passed build_macos_intel_37 #242920
macos intel

00:09:56

76.0%
passed build_macos_intel_38 #242921
macos intel

00:08:58

76.0%