Highlight improvements

[aspeddro]

1. Extension points: %raw, %%raw, %re
2. Top level Attribute: @@attribute
3. Ternary: ? and :
4. Highlight list in list{...} as Function
5. Highlight [, ], { and }

%raw("payload")
%%raw("payload")
let r = %re("/b/g")
@@warning("-27")
let a = b ? c : e
let a = list{1, 2, 3}
let arr = [1, 2, 3]

[aspeddro]

Closed by #69