[libadwaita] (9 commits) Non-fast-forward update to branch wip/exalm/gi-docgen

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/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:

  bbeabc2... ci: Drop an unused script
  6da292e... Add gi-docgen subproject
  ff35e3c... Move docs to gi-docgen
  47a0c9f... action-row: Convert docs

Commits added to the branch:

  5cb6a85... example: Update view switcher demo icons (*)
  6cc5f80... Add AdwIndicatorBin (*)
  d18a423... view-switcher: Don't set needs-attention class on buttons (*)
  6750920... view-switcher-button: Reimplement indicator as a widget (*)
  f7e4752... editorconfig: Add glsl rules (*)
  3d176b9... ci: Drop an unused script
  33d3776... Add gi-docgen subproject
  84285b1... Move docs to gi-docgen
  f3c290c... action-row: Convert docs

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