agent.json names /openapi.json, which this site now serves (#179)

ddiff --git a/server/agent-descriptor.js b/server/agent-descriptor.js
iindex 19ca924..9967dfd 100644
---- a/server/agent-descriptor.js
++++ b/server/agent-descriptor.js
@@@ -3,6 +3,7 @@
  // Every field is something this site really serves: the JSON API, the llms.txt/llms-full.txt/sitemap map,
  // and the auth that API accepts (service client-credentials tokens and Network user tokens). No OpenAPI
  // document or documentation page is published, so neither is named.
++// 11-03 (SEO-3): this site serves /openapi.json now (the contracts' document for it), so it is named below.
  module.exports = {
      id: 'vip',
      name: 'OpenVibe.VIP',
@@@ -10,6 +11,7 @@ module.exports = {
      home: 'https://openvibe.vip',
      site: 'openvibe.vip',
      api: '/api/v1',
++    openapi: '/openapi.json',
      policy: {
          auth: ['none', 'Network OIDC', 'service token'],
      },