v2.1.0

Changelog

1f2e4ec Add supported icon types
ead765c Chore: Include Go version in mod file.
de5873b Doc: Cleanup piping example.
869b441 Fix parsing of some modern ICNS files (#2)
bf406b9 Fix: Add supported OS type to test.
0ecefc2 Merge pull request #1 from andydotxyz/patch-1
9e181b4 Mistakenly added unsupported image formats (#3)
bff2bdb build: update deps
a97290c coffee!
05f19e0 feat(DecodeAll): export func that returns all decoded images
1ff925d feat(preview): gui for previewing icns icon files
9194b50 feat(ux): cooporate with 'open with' entry point
a422e6a feat: gui app skeleton
fc3feb0 feat: save as icns with ctrl-s hotkey
01d9bc5 fix: update releaser configuration
8a75d44 ux: process icon concurrently