Add configuration to unknown-preprocessor-directives and unknown-hints-and-platforms rules

[scripthunter7]

Currently, supported directive names, hints and platforms are just burned into these rules.

It would be good to make them configurable, for example like this:

rules:
  unknown-hints-and-platforms: ["error", { "supportedPlatforms": ["windows", "mac", ... ], "supportedHints": ["PLATFORM", ...] }]
  unknown-preprocessor-directives: ["error", { "supportedDirectives": ["if", "endif", ... ] }]

Also, it would be good to put a "no-" prefix in front of their names