How to support html template packaging?

I have a html file template, The template is to dynamically fill in the data ,but an error occurs when packaging.

The template might look like this
```

Document

```

```
You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders
>
|
|
```
I hope to support html file packaging. Although I paste it directly into the build folder, it can also be read