[kylc]

The old jank native/raw syntax in jank has been replaced by cpp/raw. This PR updates clojure-ts-jank-mode to use C++ syntax highlighting inside of cpp/raw forms, replacing the handling of native/raw.

See https://book.jank-lang.org/cpp-interop/cpp-raw.html, jank-lang/jank#24 (comment)

Closes #105

---

Before submitting a PR mark the checkboxes for the items you've done (if you
think a checkbox does not apply, then leave it unchecked):

• The commits are consistent with our contribution guidelines.

• You've run M-x checkdoc and fixed any warnings in the code you've written.
• You've updated the changelog (if adding/changing user-visible functionality).
• You've updated the readme (if adding/changing user-visible functionality).

Thanks!

[jeaye]

Thanks, Kyle. This would be great to get merged! What's needed here?