Releasing a new version: 0.2.0

[kaplanelad]

🎉 Loco version 0.2.0 was released! Explore the changelog to discover exciting new features.

Highlights of this release include:

• Add: Loco now has Initializers. https://loco.rs/docs/the-app/initializers/
• Add: init_logger hook in src/app.rs for those who want to take ownership of their logging and tracing stack.
• Return a JSON schema when payload JSON cannot serialize to a struct.
• Return the JSON schema to the panic HTTP layer.
• Supporting more fields in model generation.

Thanks for @shuvroroy @AdamIsrael @isaacdonaldson and more for your contributing