feat: add focus card

[madisoncagle]

Description

Add an inspiration/focus card at the beginning of each deck based on the category.

Reason

This is a requested feature, more than mvp.

How this has been tested

Locally in a dev environment.

Types of changes

• [x] New feature (adds functionality)
• [ ] Bug fix (fixes an issue)
• [ ] Breaking changes (causes defects to existing pieces)

Screenshots

Checklist:

• [x] I have read and complied with the CONTRIBUTING document
• [x] The changes I've made follow the existing code style and formatting requirements
• [ ] My changes require updates to the documentation, which I have modified accordingly