add tamed fish to penguins diet :)

penguin.lua

@@ -45,7 +45,10 @@ stepheight = 0.6,
 	},
 	fly_in = {"default:water_source", "default:water_flowing"},
 	floats = 0,
-	follow = {"ethereal:fish_raw", "mobs_fish:clownfish", "mobs_fish:tropical"},
+	follow = {
+		"ethereal:fish_raw", "mobs_fish:clownfish", "mobs_fish:tropical",
+		"mobs_fish:clownfish_set", "mobs_fish:tropical_set"
+	},
 	view_range = 5,
 
 	on_rightclick = function(self, clicker)