Initial release of the Fizzy skill.

• Manage Fizzy boards, cards, steps, comments, and reactions via CLI.
• Documentation includes install, authentication, and credential setup.
• Provides detailed API response formats, error handling, and pagination.
• Schema references for all major Fizzy resources (cards, boards, users, comments, steps, columns, tags, reactions).
• CLI guidance emphasizes the use of card numbers (not IDs) for card operations.