Add comments for the debug-renderer

src/geometry/mod.rs

@@ -51,6 +51,7 @@ pub type TOI = parry::query::TOI;
 pub use parry::shape::SharedShape;
 
 bitflags::bitflags! {
+    /// Flags providing more information regarding a collision event.
     #[cfg_attr(feature = "serde-serialize", derive(Serialize, Deserialize))]
     pub struct CollisionEventFlags: u32 {
         /// Flag set if at least one of the colliders involved in the