Review Extension ChatGPT template for implementation ideas

[karlhorky]

• commit: Create ChatGPT template https://github.com/extension-js/extension.js/commit/41b24a5a4d25c5e735ea147e061b1c540e3c606d
• docs: https://extension.js.org/n/getting-started/templates/#template-chatgpt

Eg. opening the response in the side panel, like in the template

[karlhorky]

That template is now gone, it's now a different action-chatgpt example

But there is a more barebones sidebar example, which has probably all you'd need