v0.1.1

Documentation only. No change to the plugin's code, its stored format, or its
behaviour; upgrading from 0.1.0 changes nothing a user can observe.

• Corrected a false limitation in the README. Public (token) task views do
  render diagrams: Kanboard withholds its own scripts on not_editable pages but
  attaches plugin assets outside that guard, so the plugin loads, renders every
  diagram as an image, and offers no edit action — which is the wanted behaviour
  for a reader who has no edit rights. The public board still shows none, for
  a different reason: its cards carry no Markdown at all.
• Documented what public and read-only views do, in README.md and
  ARCHITECTURE.md, and pinned it with tests against a real captured page.