Setup training-guides for translation

Initial setup for translation of training-guides. Zuul runs only the
jobs for interaction with transifex. The publish and check targets are
not enabled since the guides are not translated yet.

Change-Id: I83c338efc14619bae1c9eb6392ad92afaf22f3cf

modules/openstack_project/files/jenkins_job_builder/config/projects.yaml

@@ -36,6 +36,7 @@
 
     jobs:
       - openstack-doc-jobs
+      - manual-translation-jobs
 
 - project:
     name: fuel-specs

modules/openstack_project/files/zuul/layout.yaml

@@ -4754,6 +4754,9 @@ projects:
       - name: openstack-doc-gate
     post:
       - training-guides-tox-doc-publishdocs
+      - training-guides-manuals-upstream-translation-update
+    periodic:
+      - training-guides-manuals-propose-translation-update
 
   - name: stackforge/octavia
     check: