add more food types to follow for kitten, cow, sheep, penguin, chicken (thanks rusty-snake)

chicken.lua

@@ -55,7 +55,10 @@ stepheight = 0.6,
 		run_end = 110,
 		run_speed = 24,
 	},
-	follow = {"farming:seed_wheat", "farming:seed_cotton"},
+	follow = {
+		"farming:seed_wheat", "farming:seed_cotton", "farming:seed_barley",
+		"farming:seed_oat", "farming:seed_rye"
+	},
 	view_range = 5,
 
 	on_rightclick = function(self, clicker)

cow.lua

@@ -58,7 +58,10 @@ mobs:register_mob("mobs_animal:cow", {
 		die_speed = 10,
 		die_loop = false,
 	},
-	follow = {"farming:wheat", "default:grass_1"},
+	follow = {
+		"farming:wheat", "default:grass_1", "farming:barley",
+		"farming:oat", "farming:rye"
+	},
 	view_range = 8,
 	replace_rate = 10,
 	replace_what = {

kitten.lua

@@ -52,7 +52,10 @@ stepheight = 1.1,
 		stoodup_start = 0,
 		stoodup_end = 0,
 	},
-	follow = {"mobs_animal:rat", "ethereal:fish_raw", "mobs_fish:clownfish", "mobs_fish:tropical"},
+	follow = {
+		"mobs_animal:rat", "ethereal:fish_raw", "mobs_fish:clownfish",
+		"mobs_fish:tropical", "xocean:fish_edible"
+	},
 	view_range = 8,
 
 	on_rightclick = function(self, clicker)

penguin.lua

@@ -47,7 +47,7 @@ stepheight = 0.6,
 	floats = 0,
 	follow = {
 		"ethereal:fish_raw", "mobs_fish:clownfish", "mobs_fish:tropical",
-		"mobs_fish:clownfish_set", "mobs_fish:tropical_set"
+		"mobs_fish:clownfish_set", "mobs_fish:tropical_set", "xocean:fish_edible"
 	},
 	view_range = 5,
 

sheep.lua

@@ -65,7 +65,10 @@ for _, col in ipairs(all_colours) do
 			walk_start = 81,
 			walk_end = 100,
 		},
-		follow = {"farming:wheat", "default:grass_1"},
+		follow = {
+			"farming:wheat", "default:grass_1", "farming:barley",
+			"farming:oat", "farming:rye"
+		},
 		view_range = 8,
 		replace_rate = 10,
 		replace_what = {