Install and configure core frontend libraries (Router, Zustand, Mapbox, GSAP) #13

Description

Add and configure foundational libraries required by the dashboard architecture and upcoming modules.

Acceptance Criteria

• React Router installed and basic route setup is functional.
• Zustand store initialized with a minimal global state example.
• Mapbox package installed and API key access path prepared.
• GSAP installed and tested with a simple animation.
• No dependency conflicts in lockfile.

Prerequisite Issues

Not applicable

DoD

• App builds and runs with all libraries integrated.
• Minimal usage examples exist for each library.
• Dependency versions are pinned and committed.
• Setup notes added for future contributors.