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/stores/nostr.ts

@@ -0,0 +1,22 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+
+export const useNostrStore = defineStore('nostr', () => {
+  const isConnected = ref(false)
+  const relayUrls = ref<string[]>([])
+
+  function setConnected(value: boolean) {
+    isConnected.value = value
+  }
+
+  function setRelayUrls(urls: string[]) {
+    relayUrls.value = urls
+  }
+
+  return {
+    isConnected,
+    relayUrls,
+    setConnected,
+    setRelayUrls,
+  }
+})