feat(lang): add json highlights

README.md

@@ -162,7 +162,7 @@ List of currently supported languages:
 - [x] javascript (maintained by @steelsojka)
 - [x] typescript (maintained by @steelsojka)
 - [ ] tsx
-- [ ] json
+- [x] json (maintained by @steelsojka)
 - [x] html (maintained by @TravonteD)
 - [ ] csharp
 - [ ] swift

queries/json/highlights.scm

@@ -0,0 +1,13 @@
+(true) @boolean
+(false) @boolean
+(null) @constant.builtin
+(number) @number
+(pair key: (string) @label)
+(pair value: (string) @string)
+(string_content (escape_sequence) @string.escape)
+(ERROR) @error
+"," @punctuation.delimiter
+"[" @punctuation.bracket
+"]" @punctuation.bracket
+"{" @punctuation.bracket
+"}" @punctuation.bracket