docs: Add citation from 'HL-LHC Computing Review Stage 2' paper

[matthewfeickert]

Description

Add general use citation from HL-LHC Computing Review Stage 2, Common Software Projects: Data Science Tools for Analysis by Jim Pivarski, Eduardo Rodrigues, Kevin Pedro, Oksana Shadura, Benjamin Krikler, Graeme A. Stewart.

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• Tests are passing
• "WIP" removed from the title of the pull request
• Selected an Assignee for the PR to be responsible for the log summary

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For the PR Assignees:

• Summarize commit messages into a comprehensive review of the PR

* Add general use citation from 'HL-LHC Computing Review Stage 2, Common
Software Projects: Data Science Tools for Analysis'.
   - c.f. https://inspirehep.net/literature/2027698

[codecov]

Codecov Report

Merging #1779 (91720de) into master (2fa1c96) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1779   +/-   ##
=======================================
  Coverage   98.12%   98.12%           
=======================================
  Files          64       64           
  Lines        4270     4270           
  Branches      683      683           
=======================================
  Hits         4190     4190           
  Misses         46       46           
  Partials       34       34           

Flag	Coverage Δ
contrib	26.25% <ø> (ø)
doctest	60.58% <ø> (ø)
unittests	96.18% <ø> (ø)

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