0.5.0

Initial release - 0.5.0

Super-simple data structure in Swift that represents (and stores) a 2D height map.
A dependency on swift-noise is used for a built-in initializer that generates a simple height map from simplex noise.

What's Changed

• adding CI by @heckj in #1
• reducing extraneous output by @heckj in #2
• updating swiftformat ref by @heckj in #3
• adding pre-swift6 checks by @heckj in #4

Full Changelog: https://github.com/heckj/Heightmap/commits/0.5.0