Bracket pair colorization: allow colorize parentheses, brackets and braces independently

<!-- ⚠️⚠️ Do Not Delete This! feature_request_template ⚠️⚠️ --> <!-- Please read our Rules of Conduct: https://opensource.microsoft.com/codeofconduct/ --> <!-- Please search existing issues to avoid creating duplicates. --> <!-- Describe the feature you'd like. --> Hi, thanks to implement this as built-in but there is a missing feature that was present at very old [Rainbow Bracket extension](https://marketplace.visualstudio.com/items?itemName=2gua.rainbow-brackets), that old extension colorizes independently brackets, parentheses and braces with different schemes per type, here is an example: * Rainbow Brackets  * Built-in bracket pair colorization