Giterary, a tool to help to just write, while giving you the tools for managing the complexity of maintaining a novel.
But really, a multi-user wiki combining git and Markdown to manage documents, with the intent on providing git-style source control management for the novel writing process.
README
I wouldn’t ever tell you what to do, but you should probably check out the README.
INSTALL
You can check out the installation instructions.
EXAMPLES
Or, perhaps, perusing some examples is more your style?
FAQ
A set of frequently asked questions, if you think your questions have been frequently asked.
AUTHOR
What kind of a person would do such a thing?