v0.5.0

[v0.5.0] - 2025-02-26

Added

• add missing NFT request models
• add parse_nftoken_id and get_nftoken_id utility functions
• complete existing result models and add NFT result models
• add transaction Metadata models
• fix serialization issue where null values were tried to be serialized
• fix multisigning bug, because signing_pub_key is not set for multisigning but it is required, so it's just an empty string
• add transaction response models
• add integration tests with XRPL test net.