Add a list style to lists

Our reset, which we should remove entirely, removes list styling.

Author: aaronshekey

lib/css/atomic/_stacks-typography.less

@@ -253,6 +253,9 @@ ol {
     }
 }
 
+ul { list-style-type: disc; }
+ol { list-style-type: decimal; }
+
 .list-reset {
     list-style: none;
     margin: 0;