lstoeferle

There's one issue with the [replacements:messageFormat-{{package}}-to-@messageformat/{{package}}](https://docs.renovatebot.com/presets-replacements/#replacementsmessageformat-package-to-messageformatpackage) preset, since it contains `{{package}}`. I've added a [presetTemplateIgnoredFields](https://github.com/renovatebot/renovate/pull/27955/files#diff-9e69e6b71dc886fe57d151497b7b070c4a834c781cd288dd128220e3a6e8423dR47) config, which skips the template compilation in case any of the values are present in...

> I don't think that templating based on package is a valid concept. extends fields are evaluated during repository intialization, which is before any packages are detected. I think we...

> Let's rename that `messageFormat-{{package}` one - plus add a migration - and ideally add a test that such names don't include handlebars syntax in future Applied the changes. For...

I've added it to the docs with an additional usage example.

@rarkins may I ask you for a final approval? 😇