Use DocumenterCitations.jl for references

[kahaaga]

Fixes #301.

The docs are here.

• Replaced all old-style footnote-style citations with refs.bib file.
• Removed all manual citations from the text and replaced with @cite or @citet versions.
• Added url/doi to all citation elements, where possible.
• Checked typos in all citation elements.

Other changes

• Export InformationMeasureEstimator. It is used in the devdocs.
• Fixed a few errors in the doc examples.

[codecov]

Codecov Report

Merging #302 (0c74d11) into main (231ae8c) will decrease coverage by 0.82%.
The diff coverage is n/a.

❗ Current head 0c74d11 differs from pull request most recent head 9fd002d. Consider uploading reports for the commit 9fd002d to get more accurate results

@@            Coverage Diff             @@
##             main     #302      +/-   ##
==========================================
- Coverage   87.22%   86.41%   -0.82%     
==========================================
  Files          75       72       -3     
  Lines        1848     1767      -81     
==========================================
- Hits         1612     1527      -85     
- Misses        236      240       +4     

Files Changed	Coverage Δ
src/complexity_measures/approximate_entropy.jl	95.00% <ø> (ø)
src/complexity_measures/lempel_ziv.jl	100.00% <ø> (ø)
src/complexity_measures/missing_dispersion.jl	100.00% <ø> (ø)
.../complexity_measures/reverse_dispersion_entropy.jl	100.00% <ø> (ø)
src/complexity_measures/sample_entropy.jl	93.54% <ø> (ø)
src/complexity_measures/statistical_complexity.jl	100.00% <ø> (ø)
src/core/information_measures.jl	0.00% <ø> (ø)
...ferential_info_estimators/nearest_neighbors/Gao.jl	100.00% <ø> (ø)
...rential_info_estimators/nearest_neighbors/Goria.jl	100.00% <ø> (ø)
...estimators/nearest_neighbors/KozachenkoLeonenko.jl	100.00% <ø> (ø)
... and 43 more

... and 4 files with indirect coverage changes

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[Datseris]

How does this PR interact with the ongoing #299 ? I am assuming there will be massive conflicts to resolve if either gets merged firstr.

[Datseris]

this seems fine to me!

[kahaaga]

How does this PR interact with the ongoing #299 ? I am assuming there will be massive conflicts to resolve if either gets merged firstr.

There will be less work to resolve merge conflicts if #299 is merged first. I'll wait with merging this until that PR is done.