Update faas-memory to use go modules

This commit updates faas-memory to build with go modules
It also updates handlers/info.go to work with the latest provider types.
Finally it updates main.go for greater symmetry with faas-netes'.

Signed-off-by: Nicholas Hancock <[email protected]>

Author: nmhancock

.gitignore

@@ -4,4 +4,5 @@ examples/
 dist
 faas-memory
 dive.log
-deployment/k8s/yaml/gateway-dep.yml
+deployment/k8s/yaml/gateway-dep.yml
+vendor/

go.mod

@@ -0,0 +1,22 @@
+module github.com/openfaas-incubator/faas-memory
+
+go 1.18
+
+require (
+	github.com/gorilla/mux v1.8.0
+	github.com/openfaas/faas-provider v0.19.0
+	github.com/sirupsen/logrus v1.9.0
+)
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/prometheus/client_golang v1.12.2 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.32.1 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
+	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
+	google.golang.org/protobuf v1.26.0 // indirect
+)