Merge branch 'joamag/color' into 'master'

.github/workflows/main.yml

.gitlab-ci.yml

CHANGELOG.md

Cargo.toml

frontends/sdl/Cargo.toml

frontends/sdl/README.md

frontends/sdl/src/main.rs

frontends/web/react/components/audio-gb/audio-gb.tsx

frontends/web/react/components/debug/debug.tsx

frontends/web/react/components/tiles-gb/tiles-gb.css

frontends/web/ts/gb.ts

res/boot/boot_dump.py

res/roms/test/cgb_acid2.gbc

src/apu.rs

src/cpu.rs

src/devices/printer.rs

src/devices/stdout.rs

src/dma.rs

src/gb.rs

src/lib.rs