handler/pprof: initial import

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

go.mod

@@ -3,6 +3,7 @@ module go.unistack.org/micro-server-http/v3
 go 1.18
 
 require (
+	go.unistack.org/micro-codec-yaml/v3 v3.10.0
 	go.unistack.org/micro-proto/v3 v3.3.1
 	go.unistack.org/micro/v3 v3.10.14
 	golang.org/x/net v0.7.0
@@ -12,5 +13,7 @@ require (
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/gnostic v0.6.9 // indirect
 	google.golang.org/protobuf v1.28.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	sigs.k8s.io/yaml v1.3.0 // indirect
 )