Added more resource links

Author: DougTidwell

content/en/altinity-kb-schema-design/materialized-views/_index.md

@@ -14,11 +14,11 @@ ClickHouse® MATERIALIZED VIEWs behave like AFTER INSERT TRIGGER to the left-mos
 
 * ClickHouse Materialized Views Illuminated, Part 1:
   * [Blog post](https://altinity.com/blog/clickhouse-materialized-views-illuminated-part-1)
-  * [Webinar recording](https://altinity.com/blog/clickhouse-materialized-views-illuminated-part-1)
-  * [Slides](https://altinity.com/blog/clickhouse-materialized-views-illuminated-part-1)
+  * [Webinar recording](https://www.youtube.com/watch?app=desktop&v=j15dvPGzhyE)
 * ClickHouse Materialized Views Illuminated, Part 2: 
   * [Blog post](https://altinity.com/blog/clickhouse-materialized-views-illuminated-part-2)
   * [Webinar recording](https://www.youtube.com/watch?v=THDk625DGsQ)
+  * [Slides](https://altinity.com/wp-content/uploads/2024/05/ClickHouse-Materialized-Views-The-Magic-Continues-1.pdf)
 * Everything you should know about materialized views - [annotated presentation](https://den-crane.github.io/Everything_you_should_know_about_materialized_views_commented.pdf)
 * Very detailed information about internals: [video](https://youtu.be/ckChUkC3Pns?t=9353)
 * One more [presentation](https://github.com/ClickHouse/clickhouse-presentations/blob/master/meetup47/materialized_views.pdf)