Added ColorIndex and basic implementations#5

Open

GeorgeMuscat wants to merge 2 commits intoCOMP6991UNSW:mainfrom

GeorgeMuscat:main

Commits on Mar 24, 2024

Added ColorIndex and basic implemenations
GeorgeMuscat
committed
Changed to implement From, as Into is implicitly defined. Also changed to TryFrom.
GeorgeMuscat
committed