Link GPU Mode talk talk from README. (#224)

Author: alliepiper

README.md

@@ -29,6 +29,9 @@ features:
     * Measures the host-side execution time of a non-GPU benchmark.
     * Not suitable for microbenchmarking.
 
+Check out [this talk](https://www.youtube.com/watch?v=1i7dxoAfKOU) for an overview
+of the challenges inherent to CUDA kernel benchmarking and how NVBench solves them for you!
+
 # Supported Compilers and Tools
 
 - CMake > 3.30.4