Chicken now float to the gound - adapted gravity for them

Author: kniffo80

src/revivalpmmp/pureentities/entity/animal/walking/Chicken.php

@@ -35,6 +35,7 @@ class Chicken extends WalkingAnimal implements IntfCanBreed, IntfCanInteract, In
     public $height = 0.8;
     public $eyeHeight = 0.6;
     public $speed = 1.0;
+    public $gravity = 0.04; // floating chickens
 
     // egg laying specific configuration (an egg is layed by a chicken each 6000-120000 ticks)
     private $dropEggTimer = 0;