Add benchmark for create Element

Author: snuggs

benchmarks/document.createElement.es

@@ -0,0 +1,15 @@
+console.time()
+
+const plot = new Array
+
+for (let i = 0; i < 100; i++) {
+  const start = new Date
+  for (let i = 0; i < 1000; i++) {
+      document.body.append (document.createElement ('infinity-calendar'))
+  }
+  console.log ((new Date).getTime() - start.getTime())
+  plot.push ((new Date).getTime() - start.getTime())
+}
+console.timeEnd()
+
+console.log (plot.join ('\n'))