[mediaqueries-5][editorial] Update link defaults

Author: svgeesus

mediaqueries-5/Overview.bs

@@ -45,6 +45,11 @@ spec:infra; type:dfn; text:user agent
 spec:selectors-4; type:selector;
 	text::fullscreen
 	text::hover
+spec:mediaqueries-5; type:dfn; text:fullscreen
+spec:mediaqueries-5; type:dfn; text:standalone
+spec:mediaqueries-5; type:dfn; text:display mode
+spec:mediaqueries-5; type:dfn; text:minimal-ui
+spec:mediaqueries-5; type:dfn; text:browser
 </pre>
 
 <pre class=biblio>