feat!: drop modules, general refactor and cleanup

runtime/queries/regex/highlights.scm

@@ -0,0 +1,53 @@
+; Forked from tree-sitter-regex
+; The MIT License (MIT) Copyright (c) 2014 Max Brunsfeld
+[
+  "("
+  ")"
+  "(?"
+  "(?:"
+  "(?<"
+  "<"
+  ">"
+  "["
+  "]"
+  "{"
+  "}"
+] @punctuation.bracket
+
+(group_name) @property
+
+; These are escaped special characters that lost their special meaning
+; -> no special highlighting
+(identity_escape) @string.regexp
+
+(class_character) @constant
+
+(decimal_digits) @number
+
+[
+  (control_letter_escape)
+  (character_class_escape)
+  (control_escape)
+  (boundary_assertion)
+  (non_boundary_assertion)
+] @string.escape
+
+[
+  "*"
+  "+"
+  "?"
+  "|"
+  "="
+  "!"
+  "-"
+  "\\k"
+  (lazy)
+] @operator
+
+[
+  (start_assertion)
+  (end_assertion)
+  ","
+] @punctuation.delimiter
+
+(any_character) @variable.builtin