new: dev: show loaded config files !minor

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

bin/compose

@@ -753,6 +753,7 @@ mk_docker_run_options() {
         for cfgfile in "${compose_config_files[@]}"; do
             [ -e "$cfgfile" ] || continue
             docker_run_opts+=("-v" "$cfgfile:$cfgfile:ro")
+            debug "Loading config file '$cfgfile'."
             . "$cfgfile"
         done
     else