Features from optional dependencies

poem-openapi implicit feature

Enables poem-openapi

poem-openapi:

OpenAPI support for Poem

sea-orm implicit feature

Enables sea-orm

sea-orm:

🐚 An async & dynamic ORM for Rust

serde implicit feature

Enables serde

serde:

A generic serialization/deserialization framework

sqlx implicit feature
uuid implicit feature

Enables uuid

uuid:

A library to generate and parse UUIDs