Fixed Spider movement (it was not excluding itself after the first move

ActionBehaviour/ActionBehaviourResource.gd

@@ -0,0 +1,15 @@
+extends Resource
+class_name ActionBehaviour
+
+func do_action() -> void:
+	pass
+
+# NOTE: When selecting a tile, check if there is an action behaviour
+# If yes: In addition to showing moveable spaces (0 for the mosquito by default)
+# also show action options (usually clicking other nearby tiles)
+
+# For pillbug this "select" the tile, then create some sort of movement-outline
+# to move thant unit there
+# Check if unit was recently moved etc
+
+#