feat: add support for compactSummary option in article shortcode

assets/css/compiled/main.css

@@ -1028,6 +1028,12 @@ body.zen-mode-enable {
       height: 8px;
     }
   }
+  .line-clamp-3 {
+    overflow: hidden;
+    display: -webkit-box;
+    -webkit-box-orient: vertical;
+    -webkit-line-clamp: 3;
+  }
   .\!block {
     display: block !important;
   }