Add function documentation

src/game/objects.rs

@@ -1,18 +1,22 @@
 use avian2d::prelude::*;
 use bevy::prelude::*;
 
+/// Basic implementation of a physics object
 #[derive(Component, Default)]
 #[require(Collider, Mesh2d, MeshMaterial2d<ColorMaterial>, Restitution = Restitution::new(1.0), RigidBody, TransformInterpolation, Transform)]
 struct GameObject;
 
+/// A basic ball with which to interact
 #[derive(Component, Default)]
 #[require(GameObject, RigidBody = RigidBody::Dynamic)]
 pub struct Ball;
 
+/// The controllable ball
 #[derive(Component, Default)]
 #[require(Ball)]
 pub struct Player;
 
+/// The static objects bounding the playable area
 #[derive(Component, Default)]
 #[require(GameObject, RigidBody = RigidBody::Static)]
 pub struct Wall;