Add banner on community all hands

Signed-off-by: Usha Mandya <usha.mandya@docker.com>

_includes/landing-page/community-banner.html

@@ -2,17 +2,18 @@
   <div class="container">
     <div class="row">
       <div class="col-xs-12 col-md-6 col-lg-offset-1 col-lg-7">
-        <h2>Join the Docker Community Slack channel</h2>
+        <h2>Docker Community All Hands</h2>
         <h5>
-          Connect with Docker Captains and Docker enthusiasts through our
-          Community Slack channel. It’s a great place to learn and ask questions
-          along your journey.
+          Join us in celebrating Docker’s 9th birthday at our next Community All
+          Hands on Thursday, March 31, 2022. This virtual event is a
+          unique opportunity for the community to come together with Docker
+          staff to
+          learn, share and collaborate about all things Docker.
         </h5>
       </div>
       <div class="col-xs-12 col-md-6 col-lg-4 text-center">
-        <a href="https://dockr.ly/slack" class="btn slack-button">
-          <img src="/images/slack-icon.svg" width="56" height="56" alt="slack" />
-          Join the community
+        <a class="btn" href="https://www.docker.com/event-community-all-hands" target="_blank" rel="noopener">
+          Register now
         </a>
       </div>
     </div>

_layouts/landing.html

@@ -143,7 +143,7 @@
     </div>
   </section>
 
-  {% include landing-page/volume-management.html %}
+  {% include landing-page/community-banner.html %}
 
   <section class="container help-by-product">
     <div class="row">