Is your feature request related to a problem? Please describe.
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
Nothing. You can add the "Optifine" mod to the pack?
I always use it, and I notice a big difference in fps. But when I update the pack I'm forced to redo it and put it, could you do it?
Describe the solution you'd like
A clear and concise description of what you want to happen.
Add a mod xd
Additional context
Add any other context or screenshots about the feature request here.
I love optifine XD

No, absolutely not. I'm not allowed to legally, and I wouldn't add it if I was.