Finish docs outline

[jchris]

You can see the outline here: https://docs.google.com/document/d/1vAz0V0x_J4zG5QRxb9Y19eyx_7dFtCGZ36g7eqqF5vw/edit

We need:

• Installation guide
• Tutorials
• Connector API
• Solution examples
• Architecture
• Contributing

[jchris]

Big needed updates in Querying data and top-level Sharing and Sync