parameter validators interface library

[tylerjw]

Signed-off-by: Tyler Weaver [email protected]

This one requires more work to be integrated but I've created a library you can just include and use like this:

#include <parameter_validators/parameter_validators.hpp>

namespace pv = parameter_validators;

auto result = pv::contains<std::string>(param, {"a", "b"});

[pac48]

LGTM