Make code sections readable and consistent

- Add empty line between project sections.

Issue-ID: CIMAN-1
Change-Id: If799176581c1fc90e1d8ce2eead7582552e35db4
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>
diff --git a/jjb/policy/policy-engine.yaml b/jjb/policy/policy-engine.yaml
index c364ef5..de5085a 100644
--- a/jjb/policy/policy-engine.yaml
+++ b/jjb/policy/policy-engine.yaml
@@ -27,6 +27,7 @@
     files: '**'
     archive-artifacts: ''
     build-node: 'ubuntu1604-builder-4c-4g'
+
 - project:
     name: policy-engine-sonar
     jobs: