added parser interface

go.mod

@@ -0,0 +1,36 @@
+module github.com/nephio-project/nephio
+
+go 1.20
+
+require github.com/GoogleContainerTools/kpt-functions-sdk/go/fn v0.0.0-20230302070146-e8e9cb3c3ae2
+
+require (
+	github.com/GoogleContainerTools/kpt-functions-sdk/go/api v0.0.0-20220720212527-133180134b93 // indirect
+	github.com/PuerkitoBio/purell v1.1.1 // indirect
+	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/go-errors/errors v1.0.1 // indirect
+	github.com/go-logr/logr v1.2.0 // indirect
+	github.com/go-openapi/jsonpointer v0.19.5 // indirect
+	github.com/go-openapi/jsonreference v0.19.6 // indirect
+	github.com/go-openapi/swag v0.21.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/gnostic v0.5.7-v3refs // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/stretchr/testify v1.8.0 // indirect
+	github.com/xlab/treeprint v1.1.0 // indirect
+	golang.org/x/net v0.7.0 // indirect
+	golang.org/x/text v0.7.0 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	k8s.io/apimachinery v0.24.0 // indirect
+	k8s.io/klog/v2 v2.60.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20220401212409-b28bf2818661 // indirect
+	sigs.k8s.io/kustomize/kyaml v0.13.7-0.20220418212550-9d5491c2e20c // indirect
+)