Adding design notes to README
Adding design notes to README

wking/swc-amy,shapiromatron/amy,wking/swc-amy,wking/swc-amy,wking/swc-amy,shapiromatron/amy,pbanaszkiewicz/amy,shapiromatron/amy,swcarpentry/amy,pbanaszkiewicz/amy,vahtras/amy,vahtras/amy,vahtras/amy,swcarpentry/amy,swcarpentry/amy,pbanaszkiewicz/amy