Example of creating Rig animation and adding normal map to the srite
https://github.com/IlnurMingaleev/RigAnimationAndNormalMAp.git
A folder with the project contents will be created in the current path. Then you just open it with Unity. You'll have an Assets folder somewhere inside your project folder, the parent of this Asset folder should be the Unity project folder, so just browse to it on Unity and open it.
Then Open Game scene in Unity and press play