feat: add admonitions

assets/js/print-support.js

@@ -0,0 +1,17 @@
+(function() {
+  'use strict';
+  var closedDetails = [];
+  window.addEventListener('beforeprint', function() {
+    var allDetails = document.querySelectorAll('details:not([open])');
+    for (var i = 0; i < allDetails.length; i++) {
+      allDetails[i].open = true;
+      closedDetails.push(allDetails[i]);
+    }
+  });
+  window.addEventListener('afterprint', function() {
+    for (var i = 0; i < closedDetails.length; i++) {
+      closedDetails[i].open = false;
+    }
+    closedDetails = [];
+  });
+})();