Bite animation

Hello!

I've updated every single dog to have a "Bite" animation, and I also reorganized the dog folders because it was very unorganized. So now instead of all the animations in one single folder, they are each in their own folder.

 I have plans to come out with more dog animations, including minor updates like extra detailing. I've improved a lot in terms of pixel art since these were the first assets I've ever made so I want to give them a better update :) Stay tuned.