Add Max's presentation on CUDA (#315)

Co-authored-by: Max Andriychuk <[email protected]>

Author: ovdiiuv

_data/standing_meetings.yml

@@ -3,6 +3,10 @@
   time_cest: "17:00"
   connect: "[Link to zoom](https://princeton.zoom.us/j/97915651167?pwd=MXJ1T2lhc3Z5QWlYbUFnMTZYQlNRdz09)"
   agenda:
+    - title: "Activity analysis for reverse-mode differentiation of (CUDA) GPU kernels"
+      date: 2025-06-19 15:00:00 +0200
+      speaker: "Maksym Andriichuk"
+      link: "[Slides](/assets/presentations/CaaS_Weekly_19_06_2025_Maksym_Andriichuk_Activity_CUDA.pdf)"
     - title: "Implementing debugging support for xeus-cpp"
       date: 2025-06-12 15:00:00 +0200
       speaker: "Abhinav Kumar"
@@ -376,4 +380,4 @@
     - title: "Support Usage of Thrust API in Clad Initial Presentation"
       date: 2025-05-28 15:00:00 +0200
       speaker: "Abdelrhman Elrawy"
-      link: "[Slides](/assets/presentations/Abdelrhman_initial_presentation_support_usage_of_Thrust_API_in_clad.pdf)"
+      link: "[Slides](/assets/presentations/Abdelrhman_initial_presentation_support_usage_of_Thrust_API_in_clad.pdf)"