Box Python interfaces

[ahcorde]

Signed-off-by: ahcorde ahcorde@gmail.com

🎉 New feature

Summary

Added Box Python interface.

it depends on #272

Checklist

• Signed all commits for DCO
• Added tests
• Added example and/or tutorial
• Updated documentation (as needed)
• Updated migration guide (as needed)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge

[codecov]

Codecov Report

Merging #273 (57438d8) into ign-math6 (2f88723) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           ign-math6     #273   +/-   ##
==========================================
  Coverage      99.41%   99.41%           
==========================================
  Files             67       67           
  Lines           6374     6374           
==========================================
  Hits            6337     6337           
  Misses            37       37           

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[scpeters]

I noticed one statement with a difference in tolerance between the c++ and python tests, so I've tightened it up a bit in 57438d8

[osrf-triage]

This pull request has been mentioned on Gazebo Community. There might be relevant details there:

https://community.gazebosim.org/t/new-ignition-releases-2022-03-01-citadel-edifice-fortress/1313/1