RGB Std Libs v0.10.3

What's Changed

• Add support to RGB21 (ContractBuilder) by @crisdut in #51
• Add support for 'type/*' MediaTypes by @dr-orlovsky in #50
• Rgb20 convenience API by @dr-orlovsky in #58
• Fix missed transition merge in bundle merge op by @dr-orlovsky in #63
• Fix issued supply by @dr-orlovsky in #64
• Remove excessive terminals in consign procedure by @dr-orlovsky in #62
• Add OutpointFilter to filter wallet-based outputs by @dr-orlovsky in #65
• Add media information to the supplement by @dr-orlovsky in #70
• add rgb25 stl + move/add common types by @zoedberg in #75
• Account for address-based vout seals in consign procedure by @dr-orlovsky in #76
• Fix use of velocity classes by @dr-orlovsky in #77
• Add blank state transitions to state by @dr-orlovsky in #81
• Export rgb-core LIB_ID_RGB constant by @cryptoquick in #86
• Update to use latest consensus changes by @dr-orlovsky in #85
• Modifications to containers: witness tx in consignments and type libs in ifaces by @dr-orlovsky in #88

New Contributors

• @cryptoquick made their first contribution in #86

Full Changelog: v0.10.2...v0.10.3