Add webinar promo

Author: SowaProgramuje

content/microcopy/headers.yml

@@ -167,18 +167,18 @@ primary:
 
   connect_featured:
     tag:
-      text: Community
+      text: Event
 
     title:
-      text: Box Developer Community forum
+      text: How to Accelerate Development with Generated Box SDKs
 
     details:
       text: |-
-        Meet other Box Platform developers and admins!
+        Join us for a webinar and explore the generated Box SDKs.
 
     cta:
       text: |-
-        Join now
+        Register now
 
 secondary:
   images: