Add support for Latex

[akdir]

There is no support for latex for this extension. Latex is used by alot of people and the extension on VSCode Marketplace is popular.

Marketplace extension:
https://marketplace.visualstudio.com/items?itemName=James-Yu.latex-workshop

[akdir]

I would also like to add Latex support for this extension @deerawan.

[deerawan]

@akdir Go ahead 👍