Description: Add a map component that visualizes layoffs by region (country, state, city).
Acceptance Criteria:
Use a library like react-leaflet or react-map-gl to integrate a map.
Layoff data should be displayed as markers or bubbles on the map, with size/color representing the number of layoffs.
Add hover tooltips to show detailed information about each marker (e.g., company, number of layoffs, etc.).
Labels: enhancement, map, frontend