Update the content of content.ts to the corresponding template content.

[btea]

Feature Request

When initializing a project, if a certain framework is selected, the corresponding content entry content may be changed to the corresponding framework code to be more friendly.
https://wxt.dev/guide/content-script-ui.html#integrated

Is your feature request related to a bug?

N/A

What are the alternatives?

N/A

Additional context

N/A

[aklinker1]

I don't plan on adding additional features to the templates. I will add support for community templates if there's interest.

The built-in templates need to stay minimal.

[btea]

Makes sense.