Write the 'introduction' page in the book

[richardcase]

Describe the solution you'd like: Currently we embedded the readme as the introduction page in the book. This should be changed so that the introduction page is actually edited and different to the README.

Why do you want this feature:

Anything else you would like to add: [Miscellaneous information that will assist in solving the issue.]

[trottiemcqueen]

Is this still an issue I would like to help with this please