hlint: add haskell source code suggestions job

This change adds a new job to run hlint on haskell source files.

Change-Id: Ibf76c5552acecd68dfc56c4f31d8045ca5b233f1
8 files changed
tree: e92b0650e6c0e367ed90f6bfa49f0f6a848c3d38
  1. .gitreview
  2. README
  3. playbooks/
  4. roles/
  5. zuul.d/