instructions, docs, tools: Export - setup-instance und How-to nennen auch die ganze KB, page_export-Docstring nennt die Index-Dateien (#217 close); 10.1.0-beta.22

Files changed:
- CHANGES.md
- VERSION
- docs/how-to/export-to-a-synced-folder.md
- instructions/setup-instance.md
- tools/chemenu/page_export.py

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SnAJ7Z3CpVD3PRbN73QtU2

instructions/setup-instance.md

@@ -131,7 +131,7 @@ one it needs before that.
      procedure is [docs/how-to/back-up-to-a-synced-folder.md](../docs/how-to/back-up-to-a-synced-folder.md).
      Until it is done, treat the instance as local.
    - A reader outside the repository - a Microsoft 365 tenant that indexes a OneDrive folder, say
-     - who should get a read-only version of part of `kb/`: offer an export. The user writes the
+     - who should get a read-only version of part or all of `kb/`: offer an export. The user writes the
      `export` section of `.wikitool-local.json` by hand (its fields are gates, so `config set`
      refuses them); then run `tools/wikitool export run`. The whole procedure is
      [docs/how-to/export-to-a-synced-folder.md](../docs/how-to/export-to-a-synced-folder.md).