🎁 [Feature Request]: Integrate Ledger Support for Deliverable 2 EVM Runtime Template

[NM2146]

What is the feature you would like to see?

Integrate Ledger hardware wallet support into the Substrate runtime template, referencing the work done by Zondax in their ledger-polkadot repository. This integration will allow users to manage keys and sign transactions securely, enhancing the security of the runtime template.

Reference: https://wiki.polkadot.network/docs/ledger#ledger-developer-release

Tasks:

• Establish communication between the Substrate runtime and Ledger devices, ensuring compatibility with the Zondax Ledger app for Polkadot.
• Implement secure transaction signing and key management using the Ledger device.
• Create comprehensive documentation on using Ledger with the runtime.
• Conduct tests to confirm secure interaction between the runtime and Ledger devices.

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