0.1.0 release

[DetweilerRyan]

Prepare the Retrium react sharedb bindings for release as a standalone package in npm.

• upgrade rxjs to version 6
  • remove the binding operator from the code and use rx pipe
  • reimplement all custom operators to work with rxjs 6
• add react@16.6.0 as a peer dependency
  • update components to use the new context API
• remove recompose
• implement build step
• setup a .gitignore file
• add readme.md
  • add short intro/description
    • inspired by react-redux
    • see sharedb for documentation and examples on how to configure the client and server
  • document ShareDbProvider
  • document connectDoc
  • add motivation and goals section
  • add steps to 1.0.0
    • react hooks
    • react suspense
  • contributer guidelines