Adding GitVesion to handle Semver versioning

[BrandonBoone]

No description provided.

[codecov-io]

Codecov Report

Merging #3 into master will decrease coverage by 0.17%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master       #3      +/-   ##
==========================================
- Coverage   81.53%   81.36%   -0.18%     
==========================================
  Files          20       20              
  Lines         585      585              
  Branches      103      103              
==========================================
- Hits          477      476       -1     
- Misses         83       84       +1     
  Partials       25       25

Impacted Files	Coverage Δ
...ing/CompositeMapping/DynamicTwoDimensionalArray.cs	56.81% <0%> (-1.14%)	⬇️
...Spritey/ImageProcessing/Sprites/SpriteBlueprint.cs	76.47% <0%> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 6b845f2...eedc9e0. Read the comment docs.