add.go
func (s *Shell) AddNoPin(r io.Reader) (string, error) {
	return s.Add(r, Pin(false))
}
func (s *Shell) AddNoPin(r io.Reader) (string, error) {
	return s.Add(r, Pin(false))
}
// AddNoPin adds a file to ipfs without pinning it
// Deprecated: Use Add() with option functions instead