Hotload, reload and color subdomains

Improvements

• Remove Cocoa as library dependencies
• Better internal event logic
• The animation system now uses a CVDisplayLink to create properly paced animation frames

Additions

• New subdomain for all color properties where individual channels can be changed (docs here)
• Add mouse.scrolled event by @revan in #380
• Add configuration reload and hotload functionality (docs here)

Fixes

• Replace default config wifi icon

Full Changelog: v2.15.2...v2.16.4