feat(events): Add comprehensive events management with dynamic fetching and UI

- Integrate Reka UI Tabs component for event browsing
- Create useEvents composable for event data management
- Implement events API integration with error handling
- Add events page with upcoming and past events sections
- Configure environment variables for API connection
- Add internationalization support for events navigation

package.json

@@ -21,6 +21,7 @@
     "nostr-tools": "^2.10.4",
     "pinia": "^2.3.1",
     "radix-vue": "^1.9.13",
+    "reka-ui": "^2.0.2",
     "tailwind-merge": "^2.6.0",
     "tailwind-variants": "^0.3.1",
     "tailwindcss-animate": "^1.0.7",