Add backup job

Change-Id: I20a0babfac6e28010afb9d56184fa773d86b3254
diff --git a/jobs/backups/jenkins-rsync.excludes b/jobs/backups/jenkins-rsync.excludes
new file mode 100644
index 0000000..c62e470
--- /dev/null
+++ b/jobs/backups/jenkins-rsync.excludes
@@ -0,0 +1,16 @@
+.cache/
+.config/
+.devops/
+.jenkins/
+.local/
+.groovy/
+.packer.d/
+.pyenv/
+caches/
+config-history/
+jenkins-backups/
+jobs/*/builds/
+plugins/
+tools/
+war/
+workspace/