Add go.mod

go.mod

+module git.ethitter.com/debian/gitlab-runner-do-monitor
+
+go 1.17
+
+require (
+	github.com/digitalocean/godo v1.75.0
+	github.com/dustin/go-humanize v1.0.0
+	golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b
+)
+
+require (
+	github.com/golang/protobuf v1.4.2 // indirect
+	github.com/google/go-querystring v1.0.0 // indirect
+	golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect
+	google.golang.org/appengine v1.6.6 // indirect
+	google.golang.org/protobuf v1.25.0 // indirect
+)