dev.knotless.addRunner

Names an account in the repository's record as one of its runners, as `knotless runner add` does, as its owner logged in to this appview's web pages, or, for an organization's repository, an admin who joined it, logged in to the pages or with a service token from their own PDS for this method, for whom the appview's gateway writes as the organization. A private repository's runner is made a member of it, to read it, and is told of it through dev.knotless.inviteRunner. Answers with the runners it names after. Requires the session cookie the pages' login sets, or an admin's service token.