Show which feature is force disabled in the options page

Bug: twpowertools:64
Change-Id: I11ce740d5036ccff832f39d2a0f10290b0b063aa
diff --git a/src/static/_locales/en/messages.json b/src/static/_locales/en/messages.json
index d4574c0..466dfb6 100644
--- a/src/static/_locales/en/messages.json
+++ b/src/static/_locales/en/messages.json
@@ -19,6 +19,10 @@
     "message": "One or more options have been force disabled because they might not be working properly. Please go to the <a href='https://groups.google.com/g/twpowertools-discuss' rel='noreferrer noopener' target='_blank'>twpowertools-discuss Google Group</a> to learn more about why some options have been force disabled.",
     "description": "Warning shown in the options page if a feature has been remotely force disabled via the kill switch mechanism. This happens when a feature doesn't work properly and might be doing dangerous things, and the maintainer or an authorized user remotely force disables the feature."
   },
+  "options_killswitchenabled": {
+    "message": "The previous option has been force disabled due to an issue.",
+    "description": "Warning shown in the options page below an option, when it has been remotely force disabled via the kill switch mechanism."
+  },
   "options_list": {
     "message": "Enable infinite scrolling in thread lists.",
     "description": "Feature checkbox in the options page"