Run AI evaluation for speaking or writing

curl --location --request POST 'https://my.xentree.com/api/learn/english/evaluate' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "module_id": 0,
    "task_id": "string",
    "skill": "speaking",
    "content": "string",
    "task_description": "string"
}'