game: add weapon base and sword

scenes/enemies/enemy_base.gd

@@ -55,6 +55,7 @@ func do_movement(delta: float) -> void:
 	else:
 		_do_nav_agent_movement()
 
+
 func _has_direct_path():
 	target_cast.target_position = to_local(target.global_position)
 	target_cast.enabled = true