Added README and License
Chapter 1 - Getting started with Swift
Chapter 1 - Adding iteration
Chapter 1 - Creating functions
Chapter 1 - Command line Swift
Chapter 2 - Adding MyPlayground
Chapter 2 - Adding documentation
Chapter 2 - Adding style to a playground
Chapter 2 - Adding an image
Chapter 2 - Added an animation
Chapter 2 - Adding other resources
Chapter 2 - Additional documentation headers
Chapter 2 - Seeing console output
Chapter 2 - Displaying content in the timeline
Chapter 2 - Displaying additional timeline content
Chapter 2 - QuickLook labels and colours
Chapter 2 - Adding an image
Chapter 2 - Using XCPCaptureValue
Chapter 2 - Capturing odd and even values
Chapter 2 - Asynchronous Playgrounds