make releases with DATETIME stamp built into the filename

[star-buck]

Please adjust building releases with an actual DATETIME stamp in the release filename.

[Elv13]

So, back to square one on my own server http://lvindustries.net:8080/, hopefully I wont have NAT problems again. I will add a debug build too at some point. It's less convenient than the google drive script. There is ring-kde-000-latest.appimage if you wish to add a cron job to update the appimage.

Would you prefer an APT repository that keeps the appimage updated?

[star-buck]

Please add a timestamp in the filename. No APT needed.

[Elv13]

done