CPP with inlined amd64 assembler

[hildenborg]

Description

Multithreaded CPP with inlined amd64 assembler. I chosed to put it in it's own folder as it is neither fully C++ or fully assembler.

Contributing requirements

• [x] I read the contribution guidelines in CONTRIBUTING.md.
• [x] I placed my solution in the correct solution folder.
• [x] I added a README.md with the right badge(s).
• [x] I added a Dockerfile that builds and runs my solution.
• [x] I selected drag-race as the target branch.
• [x] All code herein is licensed compatible with BSD-3.

[rbergen]

@hildenborg As you describe it this is a mixed language solution, for which the PrimeMixed directory already exists. This solution would then become the one in directory PrimeMixed/solution_5.

[hildenborg]

I didn't see the mixed language category. Moved into the correct place now.

[rbergen]

Merging based on "he who is silent agrees".