Enable Dash.app integration on Mac

config/vim/plugins.vim

@@ -100,6 +100,7 @@ call Plug('alx741/yesod.vim')
 call Plug('pbrisbin/vim-syntax-shakespeare')
 
 if has('macunix')
+  call Plug('rizzatti/dash.vim')
   " We rename this plugin to make sure it loads AFTER vim-polyglot,
   " since it won't work properly if it's loaded first.
   call Plug('itspriddle/vim-marked', {'name': 'zzvim-marked'})