fix: wrong link

Author: etabakov

build/_layouts/landing.html

@@ -47,8 +47,8 @@
         <header class="ns-tip-container">
             <div>
                 📺 "One project. One language. Three apps." Learn more in our upcoming 
-                <a href="https://progresssoftware.typeform.com/to/mFHV7Y" target="_blank">this brief online survey!</a>	                
-                
+                <a href="https://attendee.gotowebinar.com/register/1129877235012219907?source=yellow-strip-docs" target="_blank">code sharing webinar!</a>
+            
                 <!--Have you seen all of the free code samples available on our
                 <a href="https://market.nativescript.org/?tab=samples&framework=core&category=all_samples&source=yellow-strip" target="_blank">Marketplace</a>?
                 -->