Add Odin wallpapers from Freehive

[cassidyjames]

Note: these are the WIP versions and will be updated later, but I wanted to start experimenting with the accent color and automatic setting if possible.

---

• [x] I've read and followed the general guidelines
  • [x] Looks good in Pantheon on elementary OS
  • [x] Not too distracting if a non-maximized window is open
  • [x] No text or logos
  • [x] No people
  • [x] At least 3200×1800 px
• [ ] ~I've updated debian/copyright with:~ See: #148
  • [ ] ~The name of the wallpaper and/or its original author~
  • [ ] ~A link to where it can be downloaded~
  • [ ] ~Included under the respective license section (or created a new one if appropriate)~
• [x] I've added the artist metadata using exiftool

Why it should be included:

Because we want it, and Freehive is the best.

Screenshot(s) of it in Pantheon on elementary OS: