feat(overlays): overlay is downloadable (MIN-237)

Added possibility to download general overlays via the Download button downloadable

assigned to @mateusz-winiarczyk

lgtm

approved this merge request

LGTM

approved this merge request

added 4 commits

• 52611f1f...ab449b1e - 3 commits from branch development
• d776a7ea - Merge remote-tracking branch 'origin/development' into MIN-237-overlay-is-downloadable

Compare with previous version

merged

mentioned in commit 2e797ddc