Generate a library using CMake

[uilianries]

Hello!

We packaging fpng in Conan (conan-io/conan-center-index#22823) and I would like to ask if would be possible to distributed fng as a pre-built library.

The README is clear about single file: https://github.com/richgel999/fpng?tab=readme-ov-file#fpng

fpng is a very fast C++ .PNG image reader/writer for 24/32bpp images. It's a single source file with no dependencies on any other library. fpng.cpp was written to see just how fast you can write .PNG's without sacrificing too much compression

Is it correct to affirm that a library including: fpng.cpp and fpng.h, could be built?

I could open a PR adding such feature in case positive to the follow idea.

Regards.