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/jenkins-s3-log-archives-region/content b/jenkins-config/managed-config-files/custom/jenkins-s3-log-archives-region/content
new file mode 100644
index 0000000..238ebd8
--- /dev/null
+++ b/jenkins-config/managed-config-files/custom/jenkins-s3-log-archives-region/content
@@ -0,0 +1,2 @@
+[default]
+region=us-east-1