Add video feed feature with related components and hooks

- Implemented VideoFeed component to display sightings.
- Created useSightingList and useVideoFeed hooks for data fetching and state management.
- Added AppProviders for context management.
- Updated Dashboard to include VideoFeed.
- Introduced types for sightings in utils/types.tsx.
- Added Header and Footer components for layout.
- Configured React Query for data handling.

package.json

@@ -14,6 +14,7 @@
     "@fortawesome/free-solid-svg-icons": "^7.1.0",
     "@fortawesome/react-fontawesome": "^3.1.1",
     "@tailwindcss/vite": "^4.1.18",
+    "@tanstack/react-query": "^5.90.12",
     "@tanstack/react-router": "^1.141.6",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",