added links to Learning landing page (#19)

* learning: added links to past learning materials

* learning: added session breakout for kubecon 2025 London

Author: gman0

website/content/learning/index.md

@@ -1,3 +1,13 @@
 # Learning
 
 Collection of learning material from kcp demo sessions.
+
+!!! tip "Session breakout for KubeCon 2025 London"
+
+    * Workshop: [**Exploring Multi-Tenant Kubernetes APIs and Controllers With kcp**](https://docs.kcp.io/contrib/learning/20250401-kubecon-london/workshop/)
+    * Talk: [**Extending Kubernetes Resource Model (KRM) Beyond Kubernetes Workloads**](https://sched.co/1txAB)
+    * Talk: [**Dynamic Multi-Cluster Controllers With Controller-runtime**](https://sched.co/1txFM)
+
+Past learning materials:
+
+* KubeCon 2024 Paris: [**KCP ML Shop demo**](http://localhost:8000/contrib/learning/20240321-kubecon-paris/) from session [**Why Kubernetes Is Inappropriate for Platforms, and How to Make It Better.**](https://sched.co/1YePC)