fix: allow us to use theme within a media-query

```
resources/scss/components/_menu-top.scss
  28:12  ✖  Unexpected invalid media query "(max-width: theme('screens.mt'))"
```

.stylelintrc

@@ -15,6 +15,7 @@
             "ignoreFunctions": [
                 "theme"
             ]
-        }]
+        }],
+        "media-query-no-invalid": null
     }
 }