Update talks.yml

Author: mo-nika

_data/lightning_talks/talks.yml

@@ -1,35 +1,39 @@
 - name: "Marton Veres"
   title: "Elixir communities in Germany"
   youtube: "https://youtu.be/qA68q-VqDVE"
-  
+
 - name: "Meks McClure"
   title: "Resilient Code, Resilient Engineer: Lessons from Changing Requirements"
   youtube: "https://youtu.be/n2RQtPyCJt8"
-  
+
 - name: "Nikola Begedin"
   title: "GameDev in Elixir using ECS and Live View"
   youtube: "https://youtu.be/me8udc1ZEzk"
-  
+
 - name: "Hernan Rivas Acosta"
   title: "Ticks, Elixir and Gaming"
   youtube: "https://youtu.be/jKvsAAg64V0"
-  
+
 - name: "Boris Kuznetsov"
   title: "All you want to know about Waffle and file uploads"
   youtube: "https://youtu.be/4iM-V9yELsE"
-  
+
 - name: "Krzysztof Nalepa"
   title: "Debugging LiveView with LiveDebugger"
   youtube: "https://youtu.be/mTYxjXdMoNs"
-  
+
 - name: "Alistair Woodman"
   title: "EEF Update"
   youtube: "https://youtu.be/5WqMpSt_rRE"
-  
+
 - name: "Juan Azambuja"
   title: "Introducing Elixir Observer"
   youtube: "https://youtu.be/o-FsRSDg6Pc"
-  
+
 - name: "Denys Gonchar"
   title: "opentelemetry_testing"
-  youtube: "https://youtu.be/5CECx5Z_D1I"
+  youtube: "https://youtu.be/5CECx5Z_D1I"
+
+- name: "Aleksandr Lossenko"
+  title: "ContextKit"
+  youtube: "https://youtu.be/a7obUzj3BeY"