Patrice Blin

Add strings encryption "module" pass

1

This adds a string encryption pass. Details will come later

See #4 To be checked when I get an hand on a macOS device. I took the "if" check from LLVM: [15.x/libcxxabi/CMakeLists.txt#L412](https://github.com/llvm/llvm-project/blame/release/15.x/libcxxabi/CMakeLists.txt#L412) https://github.com/llvm/llvm-project/commit/6f8d62ddeee5bdbdf9d0b7feba0b80b8afa0d2f3 It's unclear if it's related to clang...