3.0.0-M3

What's Changed

• Migration from specs2 to scalatest by @KarelCemus in #273
• Removed deprecations, installed wart remover by @KarelCemus in #274
• Scalafmt, Scalafix, and tpolecat by @KarelCemus in #275
• Documentation updated to version 3.0.0-M2 by @KarelCemus in #276
• Documentation updated to version 3.0.0-M3 by @KarelCemus in #277

Full Changelog: 3.0.0-M1...3.0.0-M3