BTHLABS-66: Prepping for public release: Take five

AKA "Using Apple reviewers as QA for your project". Thanks, y'all! :)

services/extension/assets/_locales/en/messages.json

@@ -30,5 +30,9 @@
   "content_popup_content_error_message": {
     "message": "HotPocket couldn't complete this operation.",
     "description": "Title of the error content popup."
+  },
+  "content_popup_content_view_button_message": {
+    "message": "View in HotPocket",
+    "description": "Title of the view link button"
   }
 }