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crosspoint-reader-mod/lib
Sam Lord 6527f43cb1 feat: Scale cover images up if they're smaller than the device resolution (#964)
## Summary

**What is the goal of this PR?**
* Implement feature request
[#954](https://github.com/crosspoint-reader/crosspoint-reader/issues/954)
* Ensure cover images are scaled up to match the dimensions of the
screen, as well as scaled down

**What changes are included?**
* Naïve implementation for scaling up the source image

## Additional Context

If you find the extra comments to be excessive I can pare them back. 

Edit: Fixed title

---

### AI Usage

While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.

Did you use AI tools to help write this code? _**< YES >**_
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