papers: new package

[cosmicvi]

Summary

This PR adds the package recipe for GNOME Papers (\mingw-w64-papers), the document viewer for GNOME.

• Upstream URL: https://apps.gnome.org/Papers/
• Upstream Repository: https://gitlab.gnome.org/GNOME/papers
• Upstream Windows Port Discussion: https://gitlab.gnome.org/GNOME/papers/-/work_items/714

Details

• Added \mingw-w64-papers/PKGBUILD\ (built using \meson\ +
  ust\ / \cargo).
• Added \mingw-w64-papers/0001-windows-port.patch\ with the Windows port enhancements (path normalization, gating POSIX-only APIs / D-Bus timeouts, PE icon resources, and Windows executable naming).

[dragon-archer]

For small binary files (like .ico), it'd be better to directly create them in this repo, and then cp to the correct place at prepare.

[oech3]

It would be nice if you opend PR at upstream, ref URL for *.patch at PKGBUILD and remove *.patch at here.

[cosmicvi]

It would be nice if you opened a PR upstream, reference the URL for *.patch in PKGBUILD, and remove the *.patch here.

I’ve been waiting for my PR related to issue #714 to be merged. By the way, I have this unofficial fork on GitHub for the same project, papers-for-windows. Should I just use it for this PR instead of the feature:windows-support branch merge request on GitLab?

[oech3]

Is it able to include this to upstream?

[cosmicvi]

It was included in the mr, now i have routed it to that.

[oech3]

Maybe, should we genetare it at upstream's build process from other image format?