v2.1.0

This release simplifies usage of .Dither, and makes some important bug fixes around palette usage. These improvements came about because of my work on a CLI tool for this library, didder, so check that out!

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Changelog

Copied from CHANGELOG.md

Added

• JSON tags for OrdereredDitherMatrix

Changed

• Dither never returns nil, making code simpler

Fixed

• Bug where paletted images would never be detected as needing to be copied in Dither
• Palette is actually fully copied when needed, before the colors were shared with passed slice
  • NewDitherer
  • GetColorPalette
  • DitherPaletted and DitherPalettedConfig
  • GetColorModel