Adding ability to serve TLS directly from Mattermost server (#4119)

i18n/en.json

@@ -3091,6 +3091,18 @@
     "id": "model.compliance.is_valid.start_end_at.app_error",
     "translation": "To must be greater than From"
   },
+  {
+    "id": "model.config.is_valid.read_timeout.app_error",
+    "translation": "Invalid value for read timeout."
+  },
+  {
+    "id": "model.config.is_valid.write_timeout.app_error",
+    "translation": "Invalid value for write timeout."
+  },
+  {
+    "id": "model.config.is_valid.webserver_security.app_error",
+    "translation": "Invalid value for webserver connection security."
+  },
   {
     "id": "model.config.is_valid.cluster_email_batching.app_error",
     "translation": "Unable to enable email batching when clustering is enabled"