[gimp-web/master] (11 commits) ...Merge remote-tracking branch 'origin/testing'

[Jehan <jehanp src gnome org>]

Summary of changes:

  31605c0... themes: GIMP is now available on the Microsoft Store. (*)
  3a73836... themes: move download button CSS to gimp.css. (*)
  8109b70... News for GIMP on Microsoft Store. (*)
  f1f69d2... Fix typo s/of/or/. (*)
  05a168f... themes: add a button for "GIMP on Microsoft Store". (*)
  3657ee6... Some news fixes thanks to drc comments. (*)
  63e9a29... Add an image metadata to mark the news to be on download to (*)
  3755769... Adding a small example of bad technical choice by third-par (*)
  325a614... Rewording of the "what could go wrong" part of the text. (*)
  ea51567... Small update of GIMP on MS Store news. (*)
  d583fe6... Merge remote-tracking branch 'origin/testing'

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