update(test): add highlight test

package.json

@@ -27,7 +27,7 @@
         "conf"
       ],
       "highlights": [
-        "queries/highlights.scm"
+        "queries/hyprlang/highlights.scm"
       ],
       "scope": "source.conf"
     }

test/highlight/config.conf

@@ -0,0 +1,23 @@
+$variable = SUPER
+# ^variable
+#         ^operator
+#           ^constant
+
+exec-once = hyprpaper & waybar
+# ^keyword
+
+decoration {
+# ^module
+#          ^punctuation.bracket
+  col.shadow = rgba(1a1a1aee)
+#  ^property
+#               ^function.builtin
+#                  ^punctuation.bracket
+#                    ^number
+}
+
+section:device {
+#       ^type
+  flag = true
+#         ^boolean
+}