Create functioning mock item component

[rak3rman]

Description

Implement item component from the initial UI design that roughly uses data pulled from the primary GET /api/items route. Should be created on a standalone "demo page" with hardcoded sample data.

Acceptance Criteria

Generated by Zenhub AI

• [ ] Scenario: Mock item component
  • Given there is a mock item component on the demo page
  • When the component is rendered
  • Then the component should display hardcoded sample data from the primary GET /api/items route
  • And the component should be functional and interactive