doc: some hints about audience
see
# How-To: Integrate elektra-merge Into a Debian Package #
+We assume that you know what [ucf](https://packages.debian.org/sid/ucf) is and have some
+[general knowledge about configuration file handling in Debian](https://wiki.debian.org/ConfigPackages).
+
This guide explains how to use ucf's new `--three-way-merge-command` functionality in
conjunction with Elektra in order to utilize Elektra's powerful tools in order to allow
automatic three-way merges of your package's configuration during upgrades in a way
