Writing a document for how to builing docs and make html files.

Because there is no document to describe how to build a document, so this guide will show you how to build docs and transfer them into html files.
It'll tell you how to make a docs and if you'd like to make it more beautiful,you can add some styles with Sphnix.

After that, you need to install Subversion so that you can transfer these into html files.

Click the html file, it can be shown in a proper format.