v0.2.1

Fixed

• The documented value for the scope parameter of list_gists and search_gists
  was wrong: it is mine, not own. The docs, the getting-started smoke test and the
  demo tape were written from the tool descriptions instead of the schema, and a live
  call against a real instance rejected the value they showed.

Changed

• homepage points at opengist-mcp.ni-c.de rather
  than the README anchor, so the npm page links to the documentation.
• Published from CI through npm Trusted Publishing, so this release carries build
  provenance. 0.2.0 was published by hand and does not.