feat!: drop modules, general refactor and cleanup

runtime/queries/gitignore/highlights.scm

@@ -0,0 +1,31 @@
+(comment) @comment @spell
+
+[
+  (directory_separator)
+  (directory_separator_escaped)
+] @punctuation.delimiter
+
+[
+  (wildcard_char_single)
+  (wildcard_chars)
+  (wildcard_chars_allow_slash)
+  (bracket_negation)
+] @operator
+
+(negation) @punctuation.special
+
+[
+  (pattern_char_escaped)
+  (bracket_char_escaped)
+] @string.escape
+
+;; bracket expressions
+[
+  "["
+  "]"
+] @punctuation.bracket
+
+(bracket_char) @constant
+(bracket_range 
+  "-" @operator)
+(bracket_char_class) @constant.builtin