Surround types with backticks

[numToStr]

This will highlight all the types, without taking space of two characters as neovim will hide that via treesitter conceal.

• Currently

CommentConfig                                     *comment.config.CommentConfig*
    Plugin's configuration

    Fields: ~
        {padding}    (boolean|fun():boolean)  Controls space between the comment
                                              and the line (default: 'true')
        {sticky}     (boolean)                Whether cursor should stay at the

• Proposed

CommentConfig                                     *comment.config.CommentConfig*
    Plugin's configuration

    Fields: ~
        {padding}    `(boolean|fun():boolean)`  Controls space between the comment
                                                and the line (default: 'true')
        {sticky}     `(boolean)`                Whether cursor should stay at the

[numToStr]

It seems there will be alignment issue because of conceallevel, maybe I should add this behavior behind a flag(?)