docs(guide): drop file reference for publish flow

Inline the publish-flow description instead of linking to the
internal plan doc, which isn't a stable reference for end users.

Signed-off-by: Petr Bulánek <bulanek.petr@gmail.com>

Author: PetrBulanek

docs/configuration.md

@@ -33,7 +33,7 @@ googleWorkspaceTemplate:
       gitUrl: "https://github.com/anthropics/google-workspace-skills"
 ```
 
-Users can also author skills in the Files panel and publish them upstream as PRs — see the [publish flow](plans/skills/issues/09-publish.md).
+Users can also author skills in the Files panel and publish them upstream as pull requests via the Publish button on standalone skill rows. Publishing requires a GitHub connection in OneCLI.
 
 ## Slack Integration