Things to work on for debian packaging for knot-resolver:

* Break out the library into separate packages: libkres4 and libkres-dev
   
* clean up javascript bundled by upstream, try to regenerate it from source

* convert more of debian/rules into declarative statements (e.g. debian/*.install)

* use systemd presets to suppress automatic launching

* document using kresd as a public-facing resolver (#880682)

* write a simple autopkgtest test suite
