Support rust makepkg’s .SRCINFO files #4406
Description
See https://docs.rs/srcinfo/latest/srcinfo/
This also seems similar to PKGBUILD files too, same attribute names.
Some other path patterns and related examples:
These also have often custom licenses which needs to be handled a bit specially:
https://github.com/search?q=%22pkgbase%22+%22license+%3D+custom%22&type=code