Upgrade deps; include React Hooks

[wagnerjt]

Is your feature request related to a problem? Please describe.
N/A

Describe the solution you'd like
Upgrade all dependencies (focusing more on the react-scripts) to get react hooks in. Many things have changed in the React world with the lifecycle methods and it would be best to use them for the neo4j desktop integration to subscribe to the connection changes.

Additional context
This should open a smooth path to work on #19

[stellasia]

Hi @wagnerjt , I've added redux a few weeks ago, but hooks and context should work as well and I'm still ok with removing the dependency to redux. I'll try to explore both options while trying to implement real tests.

[okjodom]

Pending: Move Layer component to react hooks