Format pipelines

Following the teams yaml formatting.

Signed-off-by: Taylor Silva <tsilva@pivotal.io>

pipelines/java.yml

@@ -34,6 +34,7 @@ jobs:
         user: root
     task: run-tests
   public: true
+
 resources:
 - icon: github
   name: apache-kafka-git

pipelines/serial-job.yml

@@ -1,5 +1,6 @@
 ---
 jobs:
+# Try to trigger the job multiple times and see what happens
 - name: serial-job
   public: true
   serial: true