Add Watcom C/C++ Compiler 10.0a

[anpage]

Depends on decompme/compilers#74

I'm working on a MechWarrior 2 decomp that needs this compiler. I tested it with a local instance and it built a scratch without problems.

[mkst]

Nice - a perfect PR, out of interest did you follow the guide, look at previous PRs or just figure it out for yourself?

[anpage]

Nice - a perfect PR, out of interest did you follow the guide, look at previous PRs or just figure it out for yourself?

I found the guide through the FAQ and looked at the examples it gives to make sure I wasn't missing anything.

[mkst]

Awesome. The FAQ worked 🎉

[mkst]

Thanks for this, the change is deployed. Please raise an issue if you want a Preset created for Mechwarrior II

[anpage]

Thanks for deploying! I'm still working out the exact flags I need. It's possible each of the three binaries I'm reversing will need their own flags, even.