Turbopack: add support for contentType condition for webpack loaders (#89156)
### What?
Add `contentType` condition
This allows to apply webpack loaders to data urls
### Usage Example
```
module.exports = {
turbopack: {
rules: {
'*': [
{
condition: { contentType: 'text/*' }, // glob match
loaders: ['text-loader'],
as: '*.js'
},
{
condition: { contentType: /^image\// }, // regex match
loaders: ['image-loader'],
as: '*.js'
},
],
},
},
}
```