Adds type definitions for Pezkuwi mainnet to enable proper extrinsic encoding.
- ExtrinsicSignature mapped to MultiSignature
- Address and LookupSource mapped to MultiAddress
- Type aliases for pezsp_runtime types
- Added types: { overridesCommon: false } for TypesUsage.BASE
- Added feeViaRuntimeCall: true for all Pezkuwi chains
- Fixes ExtrinsicSignature not found error in pezWallet Android
- Remove 0x prefix from chainIds to match ChainGeneses constants
- Place Pezkuwi, Pezkuwi Asset Hub, and Pezkuwi People at the top
- Add empty evm_assets.json for EVM asset support
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>