[gimp-web/testing] (11 commits) ...Merge branch 'downloads-templated' into testing

[Pat David <patdavid src gnome org>]

Summary of changes:

  3705713... Fix download page to use its own template (*)
  6956470... Fix downloads page to mostly be a template (*)
  3a72a18... Add some text to downloads/index.md to direct people to tem (*)
  a6ec16e... Add external GIMP_VERSIONS.py file and parse (*)
  df31e6a... Fix GIMP_VERSIONS.py formatting (*)
  acd4a57... Add new data structure for GIMP_VERSIONS.py (*)
  b574a97... Change GIMP_VERSIONS.py into a json file (*)
  eddfcb2... Test new json object for GIMP_VERSIONS (*)
  0d6cc99... Add parsing for versions to use on /downloads/ (*)
  a6f59bb... Remove leftover GIMP_VERSIONS.py (*)
  174f282... Merge branch 'downloads-templated' into testing

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