message: Format conf.py
diff: @@ -179,9 +179,9 @@ breathe_projects = {"CCF": "../../doxygen/xml"}
  breathe_default_project = "CCF"
  html_context = {
  - 'source_url_prefix': "https://github.com/Microsoft/CCF",
  + "source_url_prefix": "https://github.com/Microsoft/CCF",
  "display_github": True,
  "github_user": "Microsoft",
  - "github_repo": 'CCF',
  + "github_repo": "CCF",
  "github_version": "master/sphinx/source/",
  }
  