Clearance report: overlaps, near pairs and nearest bodies (#1900)

Thanks @NOWN-DEV.

crates/kernel/src/lib.rs

@@ -34,6 +34,7 @@ mod coplanar;
 mod corner_g2;
 mod curveblend;
 mod delete_face;
+mod distance;
 #[cfg(test)]
 mod edge_polyline_tests;
 mod emboss;
@@ -149,6 +150,7 @@ pub use continuity::{
 };
 pub use corner_g2::{corner_g2_patch, seam_error};
 pub use delete_face::delete_faces;
+pub use distance::{BodyDistance, DistanceShape, body_distance};
 pub use emboss::{cylinder_emboss_anchor, emboss_cylinder, emboss_cylinder_at, has_cylinder_emboss_wall, infer_cylinder_emboss};
 pub use fair::{
     FairCurve, FairNet, FairOptions, FairReport, MAX_FAIR_ITERATIONS, MAX_FAIR_POINTS, fair_bspline_curve, fair_bspline_surface, fair_curve,