Feat: Add JCasC managed config files

Change-Id: Ibe1e731577cac990d078e03b4be21fdfc0c5b82c
Issue-ID: CIMAN-33
Signed-off-by: Eric Ball <eball@linuxfoundation.org>
diff --git a/jenkins-config/managed-config-files/custom/packer-cloud-env/customizedCredentialMappings.sandbox.yaml b/jenkins-config/managed-config-files/custom/packer-cloud-env/customizedCredentialMappings.sandbox.yaml
new file mode 100644
index 0000000..273a003
--- /dev/null
+++ b/jenkins-config/managed-config-files/custom/packer-cloud-env/customizedCredentialMappings.sandbox.yaml
@@ -0,0 +1,4 @@
+---
+customizedCredentialMappings:
+  - credentialsId: "packer-cloud-user"
+    tokenKey: "CLOUD"