feat: add cpon

queries/cpon/folds.scm

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+[
+  (meta_map)
+  (map)
+  (array)
+] @fold

queries/cpon/highlights.scm

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+; Literals
+
+(string) @string
+(escape_sequence) @string.escape
+
+(hex_blob
+  "x" @character.special
+  (_) @string)
+
+(esc_blob
+  "b" @character.special
+  (_) @string)
+
+(datetime
+  "d" @character.special
+  (_) @string.special)
+
+(number) @number
+
+(float) @float
+
+(boolean) @boolean
+
+(null) @constant.builtin
+
+; Punctuation
+
+[
+  ","
+  ":"
+] @punctuation.delimiter
+
+[ "{" "}" ] @punctuation.bracket
+
+[ "[" "]" ] @punctuation.bracket
+
+[ "<" ">" ] @punctuation.bracket
+
+; Comments
+
+(comment) @comment @spell
+
+; Errors
+
+(ERROR) @error

queries/cpon/indents.scm

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+[
+  (meta_map)
+  (map)
+  (imap)
+  (array)
+] @indent
+
+[
+  "]"
+  "}"
+  ">"
+] @indent_end
+
+[ "{" "}" ] @branch
+
+[ "[" "]" ] @branch
+
+[ "<" ">" ] @branch
+
+[
+  (ERROR)
+  (comment)
+] @auto

queries/cpon/injections.scm

@@ -0,0 +1 @@
+(comment) @comment

queries/cpon/locals.scm

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+[
+  (document) 
+
+  (meta_map)
+  (map)
+  (array)
+] @scope