Support overriding mod loader version with auto-CurseForge modpacks

[itzg]

Discussed in Discord

[SavePointSam]

Need this for a server I'm wanting to run. Any ideas on how I could get started adding this?

[itzg]

It would ultimately need to be set on the installer object and then conditionalized in or at the caller of prepareModLoader

https://github.com/itzg/mc-image-helper/blob/2e094b8c94ba578d3af7857f80c74cfb698a91df/src/main/java/me/itzg/helpers/curseforge/CurseForgeInstaller.java#L964

[SavePointSam]

Posted patches to support this, thanks!