Change logs for ubuntu-kylin-docs source package in Jammy

ubuntu-kylin-docs (20.04.0) focal; urgency=medium

  * Update the screenshots and some strings.
  * debian:
    - Use debhelper-compat instead of debhelper.
    - Set Rules-Requires-Root to no.
    - Update the vcs info.
    - Update the rules.

 -- handsome_feng <email address hidden>  Wed, 25 Mar 2020 20:08:56 +0800