thinwall update

[fgerick]

Now ThinWall is a Galerkin bases with BC included. It is orhtogonal to the poloidal/toroidal vector Laplacian.

[codecov]

Codecov Report

❌ Patch coverage is 94.67681% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.75%. Comparing base (8c4a2ef) to head (e5d2975).
⚠️ Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
src/forces/coriolis.jl	92.00%	8 Missing ⚠️
src/bases/ThinWall.jl	94.87%	2 Missing ⚠️
src/forces/diffusion.jl	96.36%	2 Missing ⚠️
src/forces/inertial.jl	96.49%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #29      +/-   ##
==========================================
- Coverage   82.83%   82.75%   -0.08%     
==========================================
  Files          32       32              
  Lines        3554     3619      +65     
==========================================
+ Hits         2944     2995      +51     
- Misses        610      624      +14     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.