Feature request: CodeMiror 6 demo

**Is your feature request related to a problem? Please describe.**
no

**Describe the solution you'd like**
no

**Describe alternatives you've considered**
no

**Additional context**
hello, i found you can show hex and plain for the same content in the left and right view in https://github.com/gchq/CyberChef/wiki/Character-encoding,-EOL-separators,-and-editor-features#editor-features ,i also have the need, can you teach me or share me a demo to realise this,thank you in advance!