check in editions directory

Although this is automatically generated, it represents a critical part
of the content of the edition which cannot be created from the content
in the repository (it's generated from a private directory on my
computer), so at this point it is appropriate to check it in.

.gitignore

@@ -3,6 +3,5 @@ __pycache__/
 venv/
 *.egg-info/
 cli_docs/_build/
-tzk/editions/
 dist/
 build/