Add zuul/jobs to Zuul

Add the zuul/jobs repo to the Zuul configuration.

Change-Id: I89acea52f35a723da15ce3005fac083231aa5a17

zuul/main.yaml

diff --git a/zuul/main.yaml b/zuul/main.yaml
index f5ee681..02f5a5d 100644
--- a/zuul/main.yaml
+++ b/zuul/main.yaml
@@ -10,3 +10,4 @@
           - zuul/config
         untrusted-projects:
           - zuul/ops
+          - zuul/jobs