This PR adds the possibility to feed animals (give them breeding foods). I got all the data from here : https://minecraft.gamepedia.com/Breeding#Breeding_foods.
I did not implement the love mode, healing and so on yet. The only thing done is that the item is removed from the player inventory. Also, wolves or ocelots can not be tamed yet. I'm planning to do this on other PRs if this one is OK for you.
Don't hesitate to comment the code or ask if you have any question/remark. Thanks