[FEATURE] Implement UTD `diffraction_coefficients`

[FEATURE] Improve type annotation (and documentation?) for `TriangleMesh.at` indexing methods

[FEATURE] Better type information about `Paths` returned by `compute_paths`

[FEATURE] Disconnect masked triangles from graphes in `compute_paths`

[DOC] Add custom roles for GitHub links (issues, PRs, and users)

[BUG] `parallel=True` in `TriangleScene.compute_paths` not working with `jax>=0.6`

Comparison to instant-rm

[BUG] Update integration tests for Sionna v1

[QUESTION] How to identify duplicate paths with SBR method?

[DOC] `fix_sionna_folder` no longer working