Idle-Pixel Markdown Codeblocks

Will convert double backtick pairs in chat to codeblocks.

Will also convert the tilde(~) into a swung dash(⁓) for all chat messages.

Will convert the swung dash back to a tilde if there is a codeblock.

Will convert double asterisk pairs into bold text.

Example usage. https://prnt.sc/G0iePgdlQVGR