Ungroup Lark from EBNF (#5206)
Ungroup Lark from EBNF (#5206)

* Change colour from the blackish `#0b130f` to `#2980B9` from docs lark-parser.readthedocs.io

Co-authored-by: John Gardner <e36d49b36f1c453256531efcafb5a1ecb0806815@gmail.com>
github/linguist,erkyrath/linguist,github/linguist,github/linguist,christop/linguist,erkyrath/linguist,erkyrath/linguist,github/linguist,erkyrath/linguist,christop/linguist