Unify to one go.mod so VS Code is happy (#147)

Author: RothAndrew

cli/go.mod renamed to go.mod

@@ -1,4 +1,4 @@
-module github.com/defenseunicorns/zarf/cli
+module github.com/defenseunicorns/zarf
 
 go 1.16
 
@@ -9,11 +9,13 @@ require (
 	github.com/go-git/go-git/v5 v5.4.2
 	github.com/goccy/go-yaml v1.9.3
 	github.com/google/go-containerregistry v0.6.0
+	github.com/gruntwork-io/terratest v0.38.2
 	github.com/mattn/go-colorable v0.1.11
 	github.com/mholt/archiver/v3 v3.5.0
 	github.com/otiai10/copy v1.6.0
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v1.2.1
+	github.com/stretchr/testify v1.7.0
 	github.com/ulikunitz/xz v0.5.8 // indirect; CVE-2020-16845
 	helm.sh/helm/v3 v3.7.0
 	k8s.io/api v0.22.1