chore: Update project metadata and dependencies

- Change project title from "Atitlán Directory" to "Ariège Hub" in index.html
- Update app title in meta tags for PWA support
- Add @tanstack/vue-table dependency for enhanced table management
- Refactor ConnectionStatus component to improve status variant logic
- Enhance useEvents composable for better error handling and sorting
- Add 'events' translation to Spanish and French locales
- Create a new Pinia store for Nostr state management

src/components/nostr/ConnectionStatus.vue

@@ -8,9 +8,10 @@ const props = defineProps<{
   error?: Error | null
 }>()
 
-function getStatusVariant() {
-  if (props.isConnecting) return 'warning'
-  return props.isConnected ? 'success' : 'destructive'
+function getStatusVariant(): 'default' | 'destructive' | 'outline' | 'secondary' {
+  if (!props.isConnected) return 'destructive'
+  if (props.isConnecting) return 'secondary'
+  return 'outline'
 }
 
 function getStatusText() {