* Draft functionality of visualization
* Added comments to make code more intelligble
* polish the styles
* Ensure colors are stable and comment the css
* Code clean up
* Made visualizer importable and added some docs
* Fix styling
* implement comments from PR
* Fixed the regex for UNK tokens and examples in notebook
* Converted docs to google format
* Added a notebook showing multiple languages and tokenizers
* Added visual indication of chars that are tokenized with >1 token
* Reorganize things a bit and fix import
* Update docs
Co-authored-by: Anthony MOI <m.anthony.moi@gmail.com>
