Added an example for entropy simulation.

[DoktorMike]

PR Checklist

If you are contributing to Javis.jl, please make sure you are able to check off each item on this list:

• Did I update CHANGELOG.md with whatever changes/features I added with this PR?
• Did I make sure to only change the part of the file where I introduced a new change/feature?
• Did I cover all corner cases to be close to 100% test coverage (if applicable)?
• Did I properly add Javis dependencies to the Project.toml + set an upper bound of the dependency (if applicable)?
• Did I properly add test dependencies to the test directory (if applicable)?
• Did I check relevant tutorials that may be affected by changes in this PR?
• Did I clearly articulate why this PR was made the way it was and how it was made?

Link to relevant issue(s)
Closes #492

How did you address these issues with this PR? What methods did you use?

I just made a small example and put it in a file called entropy.jl under examples. Nothing else touched.

[DoktorMike]

See https://discourse.julialang.org/t/javis-collision-detection/87398/10 for a discussion on the example and why I submitted this. :)

[Sov-trotter]

Thanks for this!
Could you also add an animation gif to the gifs folder? https://github.com/JuliaAnimators/Javis.jl/tree/main/examples/gifs

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.24%. Comparing base (1e74392) to head (6ee42ab).
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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #493      +/-   ##
==========================================
- Coverage   77.74%   77.24%   -0.51%     
==========================================
  Files          38       38              
  Lines        1991     2070      +79     
==========================================
+ Hits         1548     1599      +51     
- Misses        443      471      +28     

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[DoktorMike]

Thanks for this! Could you also add an animation gif to the gifs folder? https://github.com/JuliaAnimators/Javis.jl/tree/main/examples/gifs

Done.

[TheCedarPrince]

I activated the CI for this - will review this PR asap and see if we can get this merged. Thanks @DoktorMike - you the best! 😄