Add new props for segment colors

[jkhusanov]

• Moved color definition to segment level. This lets consumers of this component control how and when to show certain colors.
• Also @MarquessV and I tested the performance of useMemo. No significant difference was shown. Therefore removed it.

[codecov[bot]]

Codecov Report

Merging #7 (a6d1ec6) into development (26857c9) will decrease coverage by 0.71%. The diff coverage is 100.00%.

@@               Coverage Diff               @@
##           development       #7      +/-   ##
===============================================
- Coverage        90.12%   89.40%   -0.72%     
===============================================
  Files                5        5              
  Lines              162      151      -11     
  Branches            55       48       -7     
===============================================
- Hits               146      135      -11     
  Misses              16       16              

Impacted Files	Coverage Δ
src/SegmentedArc.js	94.66% <100.00%> (-0.28%)	:arrow_down:
src/components/Segment.js	66.66% <100.00%> (-7.53%)	:arrow_down:

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