Add a debug feature to both crates to allow access to the internal data.

[andriyDev]

Previously, it was difficult to get an understanding of why agents are getting a certain avoidance velocity. This would require patching and then reading through logs or something. Now, we can give this data over to users if they specify the feature. This lets you render it at runtime.

[codecov]

Codecov Report

Attention: Patch coverage is 62.63736% with 34 lines in your changes missing coverage. Please review.

Project coverage is 98.1%. Comparing base (d932e31) to head (e985033).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/dodgy_2d/src/lib.rs	67.8%	18 Missing ⚠️
crates/dodgy_3d/src/lib.rs	54.2%	16 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
crates/dodgy_3d/src/lib.rs	92.0% <54.2%> (-8.0%)	⬇️
crates/dodgy_2d/src/lib.rs	91.3% <67.8%> (-6.4%)	⬇️

... and 2 files with indirect coverage changes