chore: additional translator help / prompts

Author: grega

copydecks/en/copydeck.json

@@ -6,6 +6,8 @@
 
   "glossaryForTranslators": {
     "about": "Tokens written as {{token_name}} are filled in automatically at render time with real values from the Python error. You may move them to suit your language's word order, but do not translate, rename, or remove them. No HTML is needed around them as styling is applied automatically. Keys starting with _ are metadata for translators - do not translate or modify them.",
+    "errors": "Top-level keys within 'errors', eg. 'NameError', should never be translated",
+    "if": "'if' keys and their contents, eg. 'match_message', should never be translated",
     "tokens": {
       "name": {
         "description": "The Python variable or identifier that caused the error.",