you can put xcassets and use process on spm resource

i add new example on the github

https://github.com/wendyliga/resource-spm/blob/2ea82d0fe36998cb3e6ce7ca0acd3ef1f5abd801/Package.swift#L24

and i try to import it on uikit app, and you can get the image by defining the bundle path

https://github.com/wendyliga/resource-spm/blob/master/Sources/Assets/File.swift