Mention pod metrics in README

README.md

@@ -16,10 +16,12 @@ AppSignal for Kubernetes will start sending Kubernetes automatically.
 
 ## Metrics
 
-AppSignal for Kubernetes extracts metrics for all nodes running in a cluster every minute.
+AppSignal for Kubernetes extracts metrics for all nodes and pods running in a cluster every minute.
 
 It extracts the following metrics from the `/api/v1/nodes/<NODE>/proxy/stats/summary` endpoint:
 
+### Node metrics
+
 - node_cpu_usage_nano_cores
 - node_cpu_usage_core_nano_seconds
 - node_memory_usage_bytes
@@ -41,6 +43,14 @@ It extracts the following metrics from the `/api/v1/nodes/<NODE>/proxy/stats/sum
 - node_swap_available_bytes
 - node_swap_usage_bytes
 
+### Pod metrics
+
+- pod_cpu_usage_nano_cores
+- pod_cpu_usage_core_nano_seconds
+- pod_memory_working_set_bytes
+- pod_swap_available_bytes
+- pod_swap_usage_bytes
+
 ## Automated Dashboard
 
 After installing AppSignal for Kubernetes into a cluster, an Automated Dashboard automatically appears on AppSignal showing you an overview of the nodes in your Kubernetes cluster.