clang-tools (tidy+format)

This is a docker image with static builds of

• clang-tidy
• clang-format

The packages are installed via apt and are make static via staticx. Docker image is published for both:

• linux/amd64
• linux/arm64

As everything is installed via apt, its easy to match the clang-* versions to actual clang compiler.

Alternatively these tools can be installed via Python wheels from PyPI:

• clang-tidy
• clang-format

The reason this approach is not used here is because wheels are not available for all versions for all architectures.

As clang-format wheel >=16 supports ARM wheels, once ssciwr/clang-tidy-wheel#2 is resolved, the approach can be reconsidered.