feat(tmux-monitor): add a unified multi-host view (#1520)

plugins/tmux-monitor/locales/en.json

@@ -100,6 +100,14 @@
     "timeJustNow": "just now",
     "timeMinutes": "{{count}}m ago",
     "timeHours": "{{count}}h ago",
-    "timeDays": "{{count}}d ago"
+    "timeDays": "{{count}}d ago",
+    "allHosts": "All hosts",
+    "singleHost": "Single host",
+    "hostScope": "Monitor scope",
+    "filterHosts": "Filter hosts by name or address",
+    "selectHost": "Select host",
+    "toggleHost": "Expand or collapse {{host}}",
+    "noMatchingHosts": "No matching hosts",
+    "toggleSession": "Expand or collapse {{session}}"
   }
 }