[gssdp] (10 commits) Non-fast-forward update to branch wip/phako/gi-docgen

[Jens Georg <jensgeorg src gnome org>]

The branch 'wip/phako/gi-docgen' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  b87010e... wip: Use gi-docgen for the documentation

Commits added to the branch:

  4ee8536... client: Add can_reach convenience function (*)
  f441934... Add .clang-format file (*)
  206ed34... Update .gitignore (*)
  e198ab3... client: Some docimprovements (*)
  ae442a2... net-posix: Replace g_memdup if available (*)
  3914e70... client: Remove unused variable (*)
  1a456b0... ci: Enable CI setup (*)
  a459ce0... wip: Use gi-docgen for the documentation
  bcd2963... wip: annotation fixes
  6787a6e... ci: Switch to gi-docgen

(*) This commit already existed in another branch; no separate mail sent