Provision sns via terraform in staging

terraform/shared/sns/providers.tf

@@ -0,0 +1,9 @@
+terraform {
+  required_version = "~> 1.0"
+  required_providers {
+    cloudfoundry = {
+      source  = "cloudfoundry-community/cloudfoundry"
+      version = "~> 0.15"
+    }
+  }
+}