Add inx support

[pvdrz]

Implement service:

• [x] Node
  • [x] ReadNodeStatus
  • [x] ReadProtocolParameters
• [x] Milestones
  • [x] ReadMilestone
  • [x] ListenToLatestMilestone
  • [x] ListenToConfirmedMilestone
• [x] Messages
  • [x] ListenToMessages
  • [x] ListenToSolidMessages
  • [x] ListenToReferencedMessages
  • [x] SubmitMessage
  • [x] ReadMessage
  • [x] ReadMessageMetadata
• [ ] UTXO
  • [ ] ReadUnspentOutputs
  • [x] ListenToLedgerUpdates
  • [x] ReadOutput
  • [x] ListenToMigrationReceipts
• [ ] REST API (blocked on migration to axum)
  • [ ] RegisterAPIRoute
  • [ ] UnregisterAPIRoute
  • [ ] PerformAPIRequest

Clean code:

• [ ] Clean event bus when streams are dropped.
• [x] Move type conversion to functions
• [ ] Propagate errors
• [x] Avoid dynamic dispatch
• [ ] Move shared code with bee-api-rest to a new bee-api crate.