linked to the knowledge pooling tool's service page, as it includes links to several relevant how-to guides related to getting setup for and using the editor; with the restructuring, this may be a more stable link to reference rather than individual how-to guides.
also removed the specific instructions about entering the token, so that docs.trr379.de can serve as the canonical reference point (and so we don't have to keep multiple places updated with the latest features/functionalities).