Adding rancher my-app test extension

packages/rancher/test/upstream.yaml

@@ -0,0 +1,5 @@
+GitRepo: https://github.com/nflondo/my-app.git
+GitBranch: gh-pages
+GitSubdirectory: charts/test/0.1.2
+Vendor: Rancher
+DisplayName: my-appgit  extension