v0.5.1

What's Changed

• fix JKF link on readme by @gemmaro in #16
• remove Inch CI link on readmes by @gemmaro in #18
• change required Ruby version to 3.0 or later by @gemmaro in #19
• lint with RuboCop by @gemmaro in #17
• use StringScanner library for parsing by @gemmaro in #20

Full Changelog: v0.5.0...v0.5.1