Highlight matching quotes, double quotes and backticks

- VSCode Version: 1.7.1 - OS Version: Win10 x64 Steps to Reproduce: My suggestion is to not only highlight matching square brackets, round brackets/parentheses and curly brackets (`[], (), {}`) as well as matching tags e.g. `<div></div>`, **but also quotes, double quotes and backticks,** i.e. `''`, `""` and ` `` `. _The highlighting would be via **underlining** these symbols, in order to visually distinguish them from any matching brackets (which are highlighted with outline (box))._ This is a feature of one of the most popular packages for Sublime Text, BracketHighlighter. <br> PS. [Template literals (which are quoted via **backticks**)](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals) are an ES6 feature.