update events (#7671)

site2/website/pages/en/events.js

@@ -34,12 +34,21 @@ class Events extends React.Component {
             </iframe>
             
             <h2><translate>Groups</translate></h2>
+            <MarkdownBlock>
+              - [Pulsar Summit Asia 2020](https://pulsar-summit.org/)
+            </MarkdownBlock>
+            <MarkdownBlock>
+              - [Webinar: How to Operate Pulsar in Production](https://us02web.zoom.us/webinar/register/WN_xMt6QBJ9TWiyeVdifqKITg/)
+            </MarkdownBlock>
+            <MarkdownBlock>
+              - [Weekly TGIP](https://github.com/streamnative/tgip/)
+            </MarkdownBlock>
             <MarkdownBlock>
               - [Apache Pulsar Bay Area Meetup Group](https://www.meetup.com/Apache-Pulsar-Meetup-Group/)
             </MarkdownBlock>
             <MarkdownBlock>
               - [Japan Pulsar User Group](https://japan-pulsar-user-group.connpass.com/)
-            </MarkdownBlock>
+            </MarkdownBlock> 
           </div>
         </Container>
       </div>