feat(settings): show the build version of each service

public/i18n/en.json

@@ -104,7 +104,9 @@
       "FAILED": "Steam could not confirm the link. Please try again.",
       "ERROR": "Could not start the Steam link.",
       "UNLINKED": "Steam account unlinked."
-    }
+    },
+    "VERSION": "Version",
+    "VERSION_UNKNOWN": "unknown"
   },
   "VALIDATION": {
     "EMAIL_REQUIRED": "Email is required.",