Add example of physics on non-trivial domain

[lukem12345]

Most examples given at this point occur on simple domains such as the unit square, the unit sphere, the unit line, and so on.

To demonstrate flexibility of Decapodes simulations to non-trivial meshes, we demonstrate the Brusselator Decapode on the classic “teapot” mesh popular in the field of computer graphics.

Note that this mesh is rather large, so for faster runtimes one can use one of the other meshes in the main Brusselator example.

Link to produced GIFs:

https://www.cise.ufl.edu/~luke.morris/imgs/brusselator_teapot.gif

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (de5e4e1) 88.40% compared to head (e3fc5cd) 88.40%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #129   +/-   ##
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  Coverage   88.40%   88.40%           
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  Files           9        9           
  Lines        1009     1009           
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  Hits          892      892           
  Misses        117      117           

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