Added the pushover translations

Author: gnmyt

client/public/assets/locales/en.json

@@ -311,6 +311,19 @@
         "finished_message_placeholder": "%ping% ms, %download% Mbps, %upload% Mbps"
       }
     },
+    "pushover": {
+      "title": "Pushover",
+      "fields": {
+        "token": "App token",
+        "user_key": "User key",
+        "error_message": "Error message",
+        "error_message_placeholder": "Error: %error%",
+        "send_failed": "Send error messages",
+        "send_finished": "Send finished messages",
+        "finished_message": "Finished message",
+        "finished_message_placeholder": "%ping% ms, %download% Mbps, %upload% Mbps"
+      }
+    },
     "healthChecks": {
       "title": "HealthChecks",
       "fields": {