Updated polynomial solution for Yukawa

[SonglanNie]

This adds the function polynomial_solution for the Yukawa PDE so that the vdim correction can be used for the volume potential with a Yukawa kernel. In addition, a typo in cavity2d_scattering.jl is fixed.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 65.85%. Comparing base (b256a92) to head (01c667a).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
src/vdim.jl	0.00%	4 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (b256a92) and HEAD (01c667a). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (b256a92)	HEAD (01c667a)
	4	2

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #104       +/-   ##
===========================================
- Coverage   79.89%   65.85%   -14.05%     
===========================================
  Files          24       24               
  Lines        3024     3022        -2     
===========================================
- Hits         2416     1990      -426     
- Misses        608     1032      +424     

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[tanderson92]

I will merge this PR, but note that future PRs should be checked with using JuliaFormatter and format(".") to ensure the formatting is done properly. That is why the check failed. If you forget (as I often do) and the checks fail (as they did here), you can still run those commands and upload a new commit to fix it.

[maltezfaria]

I will merge this PR, but note that future PRs should be checked with using JuliaFormatter and format(".") to ensure the formatting is done properly. That is why the check failed. If you forget (as I often do) and the checks fail (as they did here), you can still run those commands and upload a new commit to fix it.

For what is worth, I set my IDE (VSCode) to format on save so that I don't run into those issues any more. It is also easier on my eyes if the code is formatted as I write it 🙄