prevent layout glitch by immediate attempt

closes #514

Author: basarat

header.html

@@ -1,6 +1,6 @@
 <script>
-  var interval = setInterval(function(){
-      var el = document.querySelector('.search-noresults');
+  function __addSupport() {
+    var el = document.querySelector('.search-noresults');
       var content = '<a href="https://paypal.me/basaratali" style="display: block;text-align: center;"> Buy me a beer / coffee 🍻 ☕️ 🌹 <br><br><img src="https://img.shields.io/badge/Donate-PayPal-green.svg" alt="donate"><br><br></a>';
       if(el) {
         if (el.innerHTML.indexOf(content) === -1){
@@ -9,6 +9,10 @@
           el.insertBefore(elChild, el.firstChild);
         }
         clearInterval(interval);
-      }
+     }
+  }
+  __addSupport();
+  var interval = setInterval(function(){
+     __addSupport(); 
   },1000);
 </script>