worldcoin/world-id-protocol

AI Summary: This issue proposes standardizing how decimal and hexadecimal values are handled in requests and responses across services. The goal is to allow decimal values without prefixes and hexadecimal values with a '0x' prefix in requests, and to consistently return hexadecimal values with a '0x' prefix in responses.

AI Summary: This issue proposes improving error handling within the indexer component by moving away from generic `anyhow::Error`. The goal is to introduce more specific error types to facilitate more granular and effective error management.

AI Summary: This issue proposes refactoring the gateway's codebase by separating its routes into individual files, similar to the indexer's structure. The goal is to improve modularity and make the gateway easier for new contributors to understand and work with.