Swift Easy Autolayout

This repo includes easy autolayout implementation with extension of UIView with using Swift Language

Usage:

   self.completeButton
       .constrainTop(to: self.view)
       .constrainLeading(to: self.view, constant: Constants.contentMargin)
       .constrainTrailing(to: self.view, by: .trailing, constant: -Constants.contentMargin)
       .constrainCenterY(to: self.contentView)
       .constrain(width: Constants.buttonSize)
       .constrain(height: Constants.buttonSize)