[devdocsgjs] (3 commits) Non-fast-forward update to branch wip/andyholmes/dockerfile

[Andy Holmes <andyholmes src gnome org>]

The branch 'wip/andyholmes/dockerfile' 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:

  5ef7f95... Dockerfile: cleanup and udpate with Dockerfile-alpine

Commits added to the branch:

  b4f1e6d... docs: add JavaScript, TypeScript, Jasmine and CSS docsets (*)
  70cf8e7... Dockerfile: cleanup and udpate with Dockerfile-alpine
  36fa20d... sprites: use a stricter regex for upstream doc bundles

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