Update and extend documentation

[devmotion]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 867562447

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 867540027:	0.0%
Covered Lines:	17
Relevant Lines:	17

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💛 - Coveralls

[codecov]

Codecov Report

Merging #8 (464bccd) into main (aa937a9) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main        #8   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         3    +1     
  Lines           14        17    +3     
=========================================
+ Hits            14        17    +3     

Impacted Files	Coverage Δ
src/PythonOT.jl	100.00% <ø> (ø)
src/lib.jl	100.00% <100.00%> (ø)
src/smooth.jl	100.00% <100.00%> (ø)

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