feat!: drop modules, general refactor and cleanup

runtime/queries/nginx/folds.scm

@@ -0,0 +1 @@
+(block) @fold

runtime/queries/nginx/highlights.scm

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+(comment) @comment @spell
+
+(value) @variable
+
+[
+  (location_modifier)
+  "="
+] @operator
+
+[
+  (keyword)
+  "location"
+] @keyword
+
+[
+  "if"
+  "map"
+] @keyword.conditional
+
+(boolean) @boolean
+
+[
+  (auto)
+  (constant)
+  (level)
+  (connection_method)
+  (var)
+  (condition)
+] @variable.builtin
+
+[
+  (file)
+  (mask)
+] @string.special.path
+
+[
+  (string_literal)
+  (quoted_string_literal)
+] @string
+
+(directive
+  (variable
+    (keyword) @variable.parameter))
+
+(location_route) @string.special
+
+";" @punctuation.delimiter
+
+[
+  (numeric_literal)
+  (time)
+  (size)
+  (cpumask)
+] @number
+
+[
+  "{"
+  "}"
+] @punctuation.bracket

runtime/queries/nginx/injections.scm

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+((comment) @injection.content
+  (#set! injection.language "comment"))