Add True Color support
Use more than just 16 colors to highlight changes.
Add automatic check for color and true color support
Only use true color if terminal supports it. Add new flags to enforce colors or disable them.
Remove Go YAML library fork dependency
Rewrite of the output of YAML strings to avoid having a fork dependency.
Add 4-bit fallback option
In case true color is not supported, dyff will fall back to 16 colors and automatically check which of the reduced color sets matches best.
Improve test cases
Added checks to verify remote location loading is properly handled.