[IOPAE-253] Propose type interfaces for a Finite State Machine using fp-ts

[balanza]

List of Changes

• Scaffolding for the new package @pagopa/fp-ts-fsm
• Proposal of new type interfaces for FSM

Motivation and Context

Propose a type interface for a strict Finite State Machine definition. Actual implementations of FSM are not in the scope of this PR.

For usage explanation, please see the README

How Has This Been Tested?

Screenshots (if appropriate):

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[balanza]

Turn into the draft as we cannot build a generic type interface for a FSM so far.

[sonarqubecloud]

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