Track usage of new nrmicro package.
// Full Publisher/Subscriber example:
// https://github.com/newrelic/go-agent/blob/master/_integrations/nrmicro/example/pubsub/main.go
package nrmicro
+
+import "github.com/newrelic/go-agent/internal"
+
+func init() { internal.TrackUsage("integration", "framework", "micro") }
