add reload shortcode

reload site after n secounds

layouts/shortcodes/reload.html

@@ -0,0 +1,13 @@
+{{ $seconds := .Get 0 }}
+{{ $ms := ( printf "%s%s" $seconds "000" )}}
+<script>
+function Sleep(milliseconds) {
+   return new Promise(resolve => setTimeout(resolve, milliseconds));
+}
+
+async function reload(){
+  await Sleep({{ $ms }});
+  location.reload();
+}
+reload();
+</script>