update README

Author: abcdabcd987

README.md

@@ -1,5 +1,11 @@
 # Perplexity MoE Kernels
 
+Features:
+
+✅ Cuda Graph support
+✅ Flexible transportation layers: NVLink, IBGDA, IBRC, EFA
+✅ Overlapping communication and computation
+
 ## System Requirements
 
 To learn how to set up the system drivers and dependencies, refer to the [Install Driver and Dependencies](docs/install-driver-and-dependencies.md) guide.