1.3.0

What's Changed

• Add CI settings for GitHub Actions by @yaslab in #13
• Add a Swift Package Index manifest file (.spi.yml) by @yaslab in #14
• Update .gitignore by @yaslab in #15
• Add documentation by @yaslab in #16
• Conform to the Sendable protocol by @yaslab in #17
• Release 1.3.0 by @yaslab in #18

Full Changelog: 1.2.0...1.3.0