atala-prism-schema prism credential specification: https://github.com/zakaio/atala-prism-schema/blob/main/json_schema/meta/prism-credentials.json generated documentation: https://zakaio.github.io/atala-prism-schema/ transform tool: typescript: https://github.com/zakaio/atala-prism-schema/tree/main/tools/ts-schema-tool