Changes

Project template classes have been added toobjects/templates.py and their respective managers added to theProject class inobjects/projects.py to represent theproject templates API.

The project merge request template, in particular, will facilitate creating merge requests with adescription template, like the following example:

mr_description_template=project.merge_request_templates.get("Default")mr=project.mergerequests.create({'source_branch':'cool_feature','target_branch':'main','title':'merge cool feature','description':mr_description_template.content})

Documentation and testing

Please consider whether this PR needs documentation and tests.This is not required, but highly appreciated:

• Documentation in the matchingdocs section.
  • Documentation for the new classes has been added todocs/gl_objects/templates.rst.
  • docs/gl_objects/merge_requests.rst has been updated to include an example of creating an MR with a default description template.
• Unit tests and/orfunctional tests
  • tests/unit/objects/test_templates.py has been added to test both instance and project templates.