fix(docs): use additive llm task allowlist

docs/tools/lobster.md

@@ -93,7 +93,7 @@ Enable the tool:
     "list": [
       {
         "id": "main",
-        "tools": { "allow": ["llm-task"] }
+        "tools": { "alsoAllow": ["llm-task"] }
       }
     ]
   }