* Syntax highlighting mostly... Exists.
* Add dependency to dockerfile
* Handle non-existent languages better
* Make the default a bit nicer
* Improve highlighting. Clean up function
* Add dark theme, add the comment scope to the allowed classes
* update build env
* Address review comments
* Use find_syntax_by_token which produces the desired behavior
* Change flat_map into flatten
(commit cargo.lock)
458baf5f78