Revert the connect! function

A user can own his datascript connection

The new subscription api

Merge pull request #21 from denistakeda/feat/subscriptions-api

Update the subsciption API

Reimport everything from datascript and re-frame

• Basic functions to work from store reimported from re-frame and datascript libs
• No need to create datascript database explicitly anymore (like re-frame atom database)