feat!: drop modules, general refactor and cleanup

runtime/queries/dot/highlights.scm

@@ -0,0 +1,55 @@
+(identifier) @type
+
+[
+  "strict"
+  "graph"
+  "digraph"
+  "subgraph"
+  "node"
+  "edge"
+] @keyword
+
+(string_literal) @string
+(number_literal) @number
+
+[
+  (edgeop)
+  (operator)
+] @operator
+
+[
+  ","
+  ";"
+] @punctuation.delimiter
+
+[
+  "{"
+  "}"
+  "["
+  "]"
+  "<"
+  ">"
+] @punctuation.bracket
+
+(subgraph
+  id: (id
+    (identifier) @namespace)
+)
+
+(attribute
+  name: (id
+    (identifier) @field)
+)
+
+(attribute
+  value: (id
+    (identifier) @constant)
+)
+
+(comment) @comment
+
+(preproc) @preproc
+
+(comment) @spell
+
+(ERROR) @error

runtime/queries/dot/injections.scm

@@ -0,0 +1,5 @@
+((html_internal) @injection.content 
+ (#set! injection.language "html"))
+
+((comment) @injection.content
+ (#set! injection.language "comment"))