Add missing resource usage translations.

Author: deaflynx

ui-ngx/src/assets/locale/locale.constant-en_US.json

@@ -591,7 +591,13 @@
       "outdated-hint": "Updated over a week ago",
       "delete-resource": "Delete outdated service",
       "delete-resource-title": "Are you sure you want to delete the service '{{id}}'?",
-      "delete-resource-text": "Be careful, after the confirmation the service will be removed and all related data will become unrecoverable."
+      "delete-resource-text": "Be careful, after the confirmation the service will be removed and all related data will become unrecoverable.",
+      "cpu-warning-text": "Running high on CPU usage. To avoid system failure, optimize system performance.",
+      "cpu-critical-text": "Critically high CPU usage. To avoid system failure, optimize system performance.",
+      "ram-warning-text": "Running low on reserve of RAM. To avoid system failure, optimize system performance or increase the size of RAM.",
+      "ram-critical-text": "Critically low reserve of RAM. To avoid system failure, optimize system performance or increase the size of RAM.",
+      "disk-warning-text": "Running low on disk space. To avoid data loss, free up or expand the disk space.",
+      "disk-critical-text": "Critically low disk space. To avoid data loss, free up or expand the disk space."
     }
   },
   "mqtt-client": {