CommitIterator implementation

[ajnavarro]

No description provided.

[ajnavarro]

Merge #20 first

[codecov]

Codecov Report

Merging #21 into master will increase coverage by 0.33%.
The diff coverage is 90.16%.

@@             Coverage Diff              @@
##             master      #21      +/-   ##
============================================
+ Coverage     86.63%   86.97%   +0.33%     
- Complexity       25       31       +6     
============================================
  Files            10       11       +1     
  Lines           232      284      +52     
  Branches         23       32       +9     
============================================
+ Hits            201      247      +46     
  Misses           19       19              
- Partials         12       18       +6

Impacted Files	Coverage Δ	Complexity Δ
.../tech/sourced/api/iterator/ReferenceIterator.scala	88.88% <ø> (-3.97%)	3 <0> (-1)
...tech/sourced/api/iterator/RootedRepoIterator.scala	61.9% <100%> (+11.9%)	7 <1> (+1)	⬆️
src/main/scala/tech/sourced/api/Schema.scala	100% <100%> (ø)	0 <0> (ø)	⬇️
src/main/scala/tech/sourced/api/Implicits.scala	72.72% <100%> (ø)	0 <0> (ø)	⬇️
...ala/tech/sourced/api/iterator/CommitIterator.scala	88.46% <88.46%> (ø)	6 <6> (?)

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