DLEQ + P2PK - RC2

This is a release candidate for Cashu Nutshell 0.14.0.

What's Changed

• Ledger: add more type hints by @callebtc in #330
• Docker: Add wallet daemon and docker-compose.yml by @callebtc in #321
• Wallet: fix secret derivation & new CLI command cashu selfpay by @callebtc in #331
• update readme by @callebtc in #336
• readme: fix links by @callebtc in #337
• Coalesce all witness fields to Proof.witness by @callebtc in #342
• Remove P2SH by @callebtc in #341
• codecov nutshell by @callebtc in #343
• Update README.md by @callebtc in #344
• Wallet: Cache keysets by @callebtc in #333
• Join mint URL and endpoint in a safe way by @sihamon in #298
• [Wallet] Fix fee return for fee=0 by @callebtc in #345
• [Wallet] Add nostr dependency directly to repo by @callebtc in #346
• Format nostr submodule by @callebtc in #347
• Mint: Allow 0-valued amounts for blank outputs by @callebtc in #348

Full Changelog: 0.14.0-rc1...0.14.0-rc2