sync webinar (#83)

Author: yqtianust

README.md

@@ -58,3 +58,8 @@ There are two GitHub Actions workflows defined in the `.github/workflows` direct
 - `production-deploy.yml`: This workflow is triggered on pushes to the main branch and deploys the website to the production URL.
 You can enable these workflows in your forked repository by going to the "Actions" tab and clicking on the "Enable workflow" button. 
 
+
+### Acknowledgements
+This website is or was previously maintained by:
+- Yongqiang Tian, Monash University, Australia (since 2024)
+- Raula Gaikovina Kula, The University of Osaka, Japan (2021-2024)

content/activities/webinarsmain.md

@@ -23,6 +23,10 @@ Note: If you'd like to attend but can't make it to the virtual event, you still
 Stay tuned for more webinars coming soon!
 
 
+# Previous Webinars
+
+Playlist of previous webinars is available on [YouTube](https://www.youtube.com/playlist?list=PLn0nrSd4xjjYKKxOfmSKFiAzp6ApBHN7e).
+
 ### Quantum Software Engineering: Building Dependable Software for Quantum Computers
 
 #### Abstract
@@ -34,13 +38,8 @@ Quantum computers are becoming increasingly powerful and accessible. For instanc
 #### Date and Time:
 Tuesday September 9, 2025, 14:00-15:00 CEST (17:30-18:30 IST)
 
-[Zoom registration link](https://events.zoom.us/ev/AnnXDH9Bua-fVhgGIMjzPZ7_eAla84PIk98YSryJJgDHFJkAYYjV~Ao1XBoJ4cReF04cS-5WPyEJu5HyX_TnquhDSvQ2bNhcpezakbCsQ9FBk9Q)
-
-
-
-# Previous Webinars
-
-Playlist of previous webinars is available on [YouTube](https://www.youtube.com/playlist?list=PLn0nrSd4xjjYKKxOfmSKFiAzp6ApBHN7e).
+#### Recording:
+[Watch on YouTube](https://youtu.be/jtyHcCubWkk)
 
 ### Working with Non-Traditional Subjects; Lessons Learned from Using VR to Help Students with ADHD Focus