feat: federation instance list and api/healthz improvements

src/lib/components/Navbar.svelte

@@ -48,6 +48,13 @@
 					{t('navigation.create')}
 				</button>
 
+				<button
+					on:click={() => goto('/instance')}
+					class={isActive('/instance') ? 'text-violet-400' : 'cursor-pointer'}
+				>
+					{t('navigation.instance')}
+				</button>
+
 				<button
 					on:click={() => goto('/event')}
 					class={isActive('/event') ? 'text-violet-400' : 'cursor-pointer'}

src/lib/i18n/it.json

@@ -94,7 +94,8 @@
 		"home": "Home",
 		"discover": "Scopri",
 		"create": "Crea",
-		"myEvents": "I Miei Eventi"
+		"myEvents": "I Miei Eventi",
+		"instance": "Istanza"
 	},
 	"home": {
 		"title": "Cactoide - Il sito per gli RSVP",

src/lib/i18n/messages.json

@@ -99,7 +99,8 @@
 		"home": "Home",
 		"discover": "Discover",
 		"create": "Create",
-		"myEvents": "My Events"
+		"myEvents": "My Events",
+		"instance": "Instance"
 	},
 	"home": {
 		"title": "Cactoide - The RSVP site",