Add web-ext-lint job

Change-Id: I12018ea457599ba0dd611c05464f3c1dd14d0fba
diff --git a/zuul.d/jobs.yaml b/zuul.d/jobs.yaml
new file mode 100644
index 0000000..3db16ba
--- /dev/null
+++ b/zuul.d/jobs.yaml
@@ -0,0 +1,4 @@
+- job:
+    name: web-ext-lint
+    pre-run: playbooks/web-ext-lint/pre.yaml
+    run: playbooks/web-ext-lint/run.yaml