clang-tidy: add more modernize-* checks

[ManuelHu]

I kept all checks that have a large volume of changes disabled.

fixes #36

[gipert]

Could you check again what is the situation with #36?

[ManuelHu]

I implemented a simple pre-commit hook for clang-tidy

• It does not fail if clang-tidy is not installed. Unfortunately there is no way to see this from the CLI output.
• It works with a separate build dir
• Unfortunately it "fails" if it applied any fixes, even when no error is remaining after that (that is just how the exit code of clang-tidy works...)

Currently there is no check that one used -DCMAKE_EXPORT_COMPILE_COMMANDS=ON for cmake. Should we set this globally in the CMakeLists? Apart from a small (currently < 100 KB) storage footprint, I don't see any explicit downsides from it...