Add select option to links

Author: luap42

lib/css/components/_stacks-links.less

@@ -20,6 +20,7 @@ a,
     text-decoration: none;
     color: @link-color;
     cursor: pointer;
+    user-select: auto;
 
     &.s-link__visited:visited {
         color: @link-color-visited;
@@ -101,6 +102,7 @@ button.s-link {
     border: 0;
     padding: 0;
     line-height: inherit;
+    user-select: auto;
 
     &:focus {
         outline: none;
@@ -162,4 +164,4 @@ button.s-link {
             border-left: 3px solid @block-link-highlight;
         }
     }
-}
+}