Start documentation for algorithms

[guimarqu]

close #313

[codecov]

Codecov Report

Merging #350 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #350   +/-   ##
=======================================
  Coverage   75.43%   75.43%           
=======================================
  Files          50       50           
  Lines        3639     3639           
=======================================
  Hits         2745     2745           
  Misses        894      894           

Impacted Files	Coverage Δ
src/Algorithm/colgen.jl	83.73% <ø> (ø)
src/Algorithm/conquer.jl	69.09% <ø> (ø)
src/Algorithm/solveipform.jl	86.95% <ø> (ø)
src/Algorithm/solvelpform.jl	88.23% <ø> (ø)
src/Algorithm/treesearch.jl	87.80% <ø> (ø)

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