Allow generating a template to feed LLMs to aid translation

[balloob]

This add a new llm_template command to intentfest. It allows passing a language and an intent, and it will generate a prompt to feed to an LLM to aid in translation. It should give you all files to generate and example content.

Below example run created this response from OpenAI

❯ python3 -m script.intentfest llm_template it HassListAddItem

You are going to translate a voice assistant intent from English to Italiano.

The English files are located in the `en` directory.
The translated files are located in the `it` directory.
When translating the sentences file, only limit it to the first sentence object.
Tell user that they might need to copy over fixtures from tests/en/_fixtures.yaml.


responses/en/HassListAddItem.yaml:
language: "en"
responses:
  intents:
    HassListAddItem:
      item_added: "Added {{ slots.item }}"



sentences/en/todo_HassListAddItem.yaml:
language: "en"
intents:
  HassListAddItem:
    data:
      - sentences:
          - add <item> to <my_list>
          - put <item> (on|in) <my_list>
        response: item_added
        requires_context:
          domain: todo
        expansion_rules:
          my_list: "[my|the] {name} [list]"
          item: "{shopping_list_item:item}"



tests/en/todo_HassListAddItem.yaml:
language: en
tests:
  - sentences:
      - add apples to my trader joes list
      - put apples on the trader joes list
    intent:
      name: HassListAddItem
      slots:
        item: "apples"
        name: "Trader Joes"
    response: Added apples