Literal Types : More

[basarat]

Add section for other literal types (only string at the moment).

Great examples of number and boolean exist here : https://blogs.msdn.microsoft.com/typescript/2016/08/30/announcing-typescript-2-0-rc/

[basarat]

Please add here : https://basarat.gitbooks.io/typescript/content/docs/types/literal-types.html 🌹