I need help with adding armature/rigging my character

Hey, can somebody please look at my file (I can send it) and see if everything’s correct and maybe help adding the armature so that it moves properly?
I’ve tried it a few times and I can’t get the result I’m hoping for; either the ears get de-attached or the wings don’t move separately…
And I just need to get it to work so I can start animating it for a “school” project

This is the model btw:

Would be awesome if somebody could help
Thanks a lot!