[Docs] RPC session life-cycle

[bryanchriswhite]

Objective

Complete RPC session life-cycle diagrams (notion).

Origin Document

Protocol Hour Notes 2024/04/05

Goals

• React to review feedback
  • [x] Reconsider legend choices
  • [x] Split up larger diagrams
  • [x] Link to source code where applicable
  • [ ] ...
• Integrate diagrams with poktroll docs (#478)

Deliverables

• [x] Update notion doc based on review feedback.
• [x] A PR that integrates the diagrams into the poktroll docs.

Non-goals / Non-deliverables

• Creating additional diagrams.

General deliverables

• [ ] Comments: Add/update TODOs and comments alongside the source code so it is easier to follow.
• [ ] Testing: Add new tests (unit and/or E2E) to the test suite.
• [ ] Makefile: Add new targets to the Makefile to make the new functionality easier to use.
• [ ] Documentation: Update architectural or development READMEs; use mermaid diagrams where appropriate.

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Creator: @bryanchriswhite