0.3.0

Highlights:

• Added SQL source metadata to generated query functions.
• Added a small expression language for if conditions.
• Introduced docs callouts and expanded the docs/pages workflow.

Documents:

• expression language:
  • Playground: https://hatappo.github.io/bisql/playground/conditional-expressions/
  • Docs: https://hatappo.github.io/bisql/docs/conditional-expressions/