[Design]: Ledger reclaim design

[MCJOHN974]

Completing the issue description and arriving at a conclusion is the deliverable of this issue.

Design

This ticket holds the review of different approaches of mitigating Ledger recalim problem

1. Summary

Ledger can't sign reclaim transactions. We want to find a way to deal with this.

2. Context & Purpose

Ledger users are significant part of potential sBTC users, so we should support it
Old issues related:

• [Feature]: Support a Ledger friendly NUMS internal key for deposits #1253

3. Design

3.1 Proposed Component Design

3.1.1 Design Diagram

3.1.2 Considerations & Alternatives

3.2 Areas of Ambiguity

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Closing Checklist

• The design proposed in this issue is clearly documented in the description of this ticket.
• Everyone necessary has reviewed the resolution and agrees with the proposal.
• This ticket has or links all the information necessary to familiarize a contributor with the design decision, why it was made, and how it'll be included.