feat: add a tree-sitter grammar and highlights for dunst's config (#13458)

book/src/generated/lang-support.md

@@ -46,6 +46,7 @@
 | dot | ✓ |  |  | `dot-language-server` |
 | dtd | ✓ |  |  |  |
 | dune | ✓ |  |  |  |
+| dunstrc | ✓ |  |  |  |
 | earthfile | ✓ | ✓ | ✓ | `earthlyls` |
 | edoc | ✓ |  |  |  |
 | eex | ✓ |  |  |  |

languages.toml

@@ -4339,3 +4339,13 @@ indent = { tab-width = 2, unit = "  " }
 [[grammar]]
 name = "pug"
 source = { git = "https://github.com/zealot128/tree-sitter-pug", rev = "13e9195370172c86a8b88184cc358b23b677cc46" }
+
+[[language]]
+name = "dunstrc"
+scope = "source.dunstrc"
+comment-tokens = ["#", ";"]
+file-types = [ { glob = "dunst/dunstrc" } ]
+
+[[grammar]]
+name = "dunstrc"
+source = { git = "https://github.com/rotmh/tree-sitter-dunstrc", rev = "9cb9d5cc51cf5e2a47bb2a0e2f2e519ff11c1431" }

runtime/queries/dunstrc/highlights.scm

@@ -0,0 +1,14 @@
+(assign
+  (key) @attribute)
+
+(comment) @comment.line
+
+[
+  "["
+  "]"
+] @punctuation.bracket
+
+"=" @operator
+
+(section
+  (name) @namespace)