feat: Add keymaster address CLI commands

[macterra]

Summary

• add list-addresses, import-address, check-address, add-address, and remove-address to the package keymaster CLI
• add keymaster address APIs backed by Herald name lookup and claim/delete flows
• store address metadata under each wallet ID and cover the new behavior with focused tests

Why

• starts issue Add addresses to wallet #275 from the CLI layer
• gives keymaster first-class address management without duplicating DID ownership in wallet storage

Validation

• npm test -- --runTestsByPath tests/keymaster/address.test.ts
• npm run build:esm -w @didcid/keymaster

[Copilot]

Pull request overview

Adds first-class “address” management to Keymaster (wallet storage + Herald/Drawbridge-backed lookup/claim/delete flows) and exposes it via new Keymaster CLI commands, with focused unit tests.

Changes:

• Introduce address data types and extend KeymasterInterface with address methods.
• Implement list/import/check/add/remove address flows in Keymaster and surface them in the CLI.
• Add Jest coverage for the new address behaviors and document the new CLI commands.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tests/keymaster/address.test.ts	New tests covering list/import/check/add/remove address behaviors and wallet persistence.
packages/keymaster/src/types.ts	Adds address-related types and extends IDInfo + KeymasterInterface.
packages/keymaster/src/keymaster.ts	Implements address normalization/parsing, registry lookup, and claim/delete flows plus wallet storage.
packages/keymaster/src/keymaster-client.ts	Adds client methods for address endpoints on the remote Keymaster API.
packages/keymaster/src/cli.ts	Adds list-addresses, import-address, check-address, add-address, remove-address commands.
packages/keymaster/README.md	Documents the new CLI commands.

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