Make Bevy dependencies optional in azalea-protocol (#303)

* Make Bevy dependencies optional in azalea-protocol

* derive serde traits on Direction again

* update docs for types that may not have Component

1 files changed, 2 insertions, 1 deletions

diff --git a/azalea-physics/tests/physics.rs b/azalea-physics/tests/physics.rs
index 57747692..42dcf809 100644
--- a/azalea-physics/tests/physics.rs
+++ b/azalea-physics/tests/physics.rs
@@ -5,6 +5,7 @@ use azalea_block::{
     properties::WaterLevel,
 };
 use azalea_core::{
+    entity_id::MinecraftEntityId,
     position::{BlockPos, ChunkPos, Vec3},
     registry_holder::RegistryHolder,
     tick::GameTick,
@@ -15,7 +16,7 @@ use azalea_registry::{
     builtin::{BlockKind, EntityKind},
     identifier::Identifier,
 };
-use azalea_world::{Chunk, Instance, InstanceContainer, MinecraftEntityId, PartialInstance};
+use azalea_world::{Chunk, Instance, InstanceContainer, PartialInstance};
 use bevy_app::App;
 use parking_lot::RwLock;
 use uuid::Uuid;