Add 'See also' in docstrings

[eliascarv]

No description provided.

[codecov-commenter]

Codecov Report

Merging #51 (f243cdb) into master (e3c8933) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #51   +/-   ##
=======================================
  Coverage   92.84%   92.84%           
=======================================
  Files          19       19           
  Lines         461      461           
=======================================
  Hits          428      428           
  Misses         33       33           

Impacted Files	Coverage Δ
src/transforms/eigenanalysis.jl	79.62% <ø> (ø)

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