feat: solver improvements + release v0.29.0 (#876)

* feat: solver improvements

* feat: add function to get/set whether gyroscopic forces are enabled on a rigid-body

* chore: switch to released versions of parry and wide instead of local patches

* fix cargo doc

* chore: typo fixes

* chore: clippy fix

* Release v0.29.0

* chore: more clippy fixes

examples3d-f64/debug_serialized3.rs

@@ -17,7 +17,10 @@ pub fn init_world(testbed: &mut Testbed) {
     /*
      * Set up the testbed.
      */
-    let bytes = std::fs::read("state.bin").unwrap();
+    let Ok(bytes) = std::fs::read("state.bin") else {
+        println!("Failed to load serialized world state.");
+        return;
+    };
     let state: State = bincode::deserialize(&bytes).unwrap();
 
     testbed.set_world(