Add web-ext-lint job report to the log folder

- Add fetch-web-ext-lint role, which copies the web-ext-lint report to
  the log folder.

Changes in the web-ext-lint job:
- Change the main playbook so the lint report is saved in a file called
  web-ext-lint.txt (so it can fetched later on).
- Add a post playbook which calls the fetch-web-ext-lint role.
- Add a description to the job.

Change-Id: Ifc2ef60084ecc33087e5ce2761ad91d84e7eff3c
4 files changed
tree: 83551519d14794dcedb4dd3ae6bcaec80898869a
  1. playbooks/
  2. roles/
  3. zuul.d/