CI: Migrate to JCasC managed files

Signed-off-by: Kevin Sandi <ksandi@contractor.linuxfoundation.org>
Change-Id: I1880c3d8a66edaf23083d0734d3914af02b8837b
Signed-off-by: Vanessa Rene Valderrama <vvalderrama@linuxfoundation.org>
diff --git a/jenkins-config/managed-config-files/custom/sigul-config/customizedCredentialMappings.yaml b/jenkins-config/managed-config-files/custom/sigul-config/customizedCredentialMappings.yaml
new file mode 100644
index 0000000..932d49a
--- /dev/null
+++ b/jenkins-config/managed-config-files/custom/sigul-config/customizedCredentialMappings.yaml
@@ -0,0 +1,4 @@
+---
+customizedCredentialMappings:
+  - credentialsId: "sigul-config"
+    tokenKey: "SIGUL_CONFIG"
\ No newline at end of file