expand *.service support to desktop.js

Author: gg582

src/languages/desktop.js

@@ -35,7 +35,7 @@ export default function(hljs) {
 
   const SECTION_HEADER = {
     className: 'section',
-    begin: /^\[(Desktop Entry|Desktop Action\s+[A-Za-z0-9_-]+)\]/,
+    begin: /^\[(Desktop Entry|Unit|Service|Install|Socket|Mount|Automount|Swap|Path|Timer|Slice|Scope|Manager|Journak|Bridge|Desktop Action\s+[A-Za-z0-9_-]+)\]/,
     relevance: 10
   };