TopoSaic v0.8.0

What's Changed

• Add shaped terrain outlines by @theatrus in #95
• Render live model geometry in the 3D preview by @theatrus in #96
• Cache OpenStreetMap data in reusable tiles by @theatrus in #97
• Speed up dense urban geometry generation by @theatrus in #98
• Prepare v0.8.0 by @theatrus in #99

Full Changelog: v0.7.0...v0.8.0