Get a little closer but it still won't work until we override the template

Real Shame ReadTheDocs et al still doesn't have true support for Gitea and Forgejo and any
other independent repo hosting, what the hell.

conf.py

@@ -126,11 +126,11 @@ html_static_path = ['_static']
 # Add context to make Edit on GitLab links. Borrowed from Drutopia docs config.
 html_context = {
     "display_gitlab": True, # Integrate Gitlab
-    "gitlab_host": "https://git.agaric.com",
+    "gitlab_host": "git.agaric.com",
     "gitlab_user": "agaric", # Organization
     "gitlab_repo": "documentation", # Repo name
     "gitlab_version": "main", # Version
-    "conf_py_path": "/", # Path in the checkout to the docs root
+    "conf_py_path": "/src/branch/", # Path in the checkout to the docs root
 }
 
 # -- Options for HTMLHelp output ---------------------------------------------