Investigate FSM usage

[jeluard]

Finite state machines might simplify creation of complex UIs.

Resources:

• https://github.com/metosin/tilakone
• https://medium.freecodecamp.org/patterns-for-using-react-with-statechart-based-state-machines-33e6ab754605
• https://davidkpiano.github.io/xstate/docs/#/
• https://css-tricks.com/finite-state-machines-with-react/
• https://twitter.com/hillelogram/status/1026608604990918658?s=11
• https://github.com/MicheleBertoli/react-automata/blob/master/README.md
• https://github.com/Day8/re-frame/blob/master/docs/EPs/005-StateMachines.md
• https://github.com/protocol55/step
• https://github.com/davidkpiano/xstate
• https://medium.freecodecamp.org/how-to-visually-design-state-in-javascript-3a6a1aadab2b
• http://raganwald.com/2018/03/03/reflections.html
• https://jonbellah.com/articles/intro-state-machines/
• https://github.com/zaboco/typed-machine