refactor(docs): Add pkg list trimming (#1)

pacman-zfs-snapshot.sh

@@ -223,6 +223,10 @@ function trim_pkg_list_oneline () {
                 break
             fi
         done
+        # If pkg name is still too long trim it. If there's enough
+        # space for an ellipsis (...) we add that to indicate we've
+        # trimmed the name, otherwise we just take however many
+        # characters of the pkg name we can get.
         if [[ "${#shorter_pkg_list}" -gt "${pkgs_list_max_length}" ]]; then
             trim_single_remaining_package_name
         fi