[Feature Request]: Thumbnail support for .pxd Documents

[purpletennisball]

Checklist

• I am using an up-to-date version.
• I have read the documentation.
• I have searched existing issues.

Description

Add a thumbnail preview for .pxd, the file format used in Pixelmator Pro (Apple's Photoshop Alternative)

Solution

The file is in a .zip format and has a thumbnail under QuickLook/Preview.heic

Sample File:
sample.pxd.txt

Alternatives

No response