Update `CALayer` and `Segue` in README.md
Update `CALayer` and `Segue` in README.md

IBAnimatable/IBAnimatable,JakeLin/IBAnimatable,IBAnimatable/IBAnimatable,alexiosdev/IBAnimatable,IBAnimatable/IBAnimatable,alexiosdev/IBAnimatable,seanwoodward/IBAnimatable,seanwoodward/IBAnimatable,JakeLin/IBAnimatable