use go modules

Author: Linus Arver

Gopkg.lock

@@ -0,0 +1,15 @@
+module github.com/GoogleCloudPlatform/k8s-addon-builder
+
+go 1.16
+
+require (
+	github.com/containerd/containerd v1.5.2 // indirect
+	github.com/docker/distribution v2.7.1+incompatible
+	github.com/docker/docker v20.10.7+incompatible
+	github.com/docker/go-connections v0.4.0 // indirect
+	github.com/gorilla/mux v1.8.0 // indirect
+	github.com/moby/term v0.0.0-20210610120745-9d4ed1856297 // indirect
+	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/spf13/cobra v1.1.3
+	gopkg.in/src-d/go-git.v4 v4.13.1
+)