replication for client side projectiles (#87)

crates/shared/src/ai/mod.rs

@@ -169,6 +169,8 @@ fn engage_and_throw(
                 t.translation,
                 crate::physics_layers::GameLayer::Player,
                 npc_head.head,
+                // TODO: we probably need to make sure the ai's projectile does not get deduped, zero should not be used by anyone though
+                0,
             )));
         }
     }