Import gifs as Animation resource acting on Sprite:texture

[Crystalwarrior]

This is something I've already done myself but in Python so I know it's possible, plus it's another option to use over SpriteFrames in case the user needs it

(script is for Godot 3.X, not sure if it works with Godot 4.X) https://github.com/Crystalwarrior/Gif-To-Godot/blob/master/gif_animation.py