Update README.md (#195)

added some more supported GPUs

dlvm/gcp-gpu-utilization-metrics/README.md

@@ -2,6 +2,9 @@
 
 This repository provides simple way to monitor GPU utilization on GCP.
 It supports the following NVIDIA Accelerators:
+ -  A100
+ -  H100
+ -  L4
  -  K80
  -  P100
  -  P4
@@ -154,4 +157,4 @@ http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/def
 
 Solution: Your Compute Engine needs Google API Cloud access. Allow Read 
 access in "Access scopes" Compute Engine, Stackdriver Logging and
-Monitoring.
+Monitoring.