Add WebSite + Organization JSON-LD to the home page (#44)

ddiff --git a/server/views/index.js b/server/views/index.js
iindex c894eec..bd1352f 100644
---- a/server/views/index.js
++++ b/server/views/index.js
@@@ -14,6 +14,7 @@
   */
  const layoutLib = require('../render/layout');
  const kit = require('openvibe-shared/kit');
++const seo = require('openvibe-shared/seo');
  const S = require('./short');
  const sc = require('openvibe-shared/showcase');
  const rooms = require('openvibe-shared/rooms');
@@@ -91,7 +92,7 @@ function home() {
      body = S.foldSection(body, 'id="sc-questions"', 'questions-fold');
      // The rule that shows the picked scene: one per scene, so the CSS is written for this page.
      const rules = `@supports selector(:has(*)){@media (max-width:640px){${S.pickRules('scenes', ['scene-0', 'scene-1', 'scene-2'])}}}`;
--    return layout({ title: null, path: '/', body: `<div class="sf-wrap">${body}</div>`, active: '/', inlineStyles: [rules] });
++    return layout({ title: null, path: '/', body: `<div class="sf-wrap">${body}</div>`, active: '/', jsonLd: [seo.jsonLd.website({ name: 'OpenVibe.Surf', url: 'https://openvibe.surf/', description: 'Ride CS-style surf maps in the browser, surf what is live on OpenVibe.Live, and let an agent browse the web for you.' }), seo.jsonLd.organization()], inlineStyles: [rules] });
  }
  
  function mapCard(m) {
ddiff --git a/test/pages.test.js b/test/pages.test.js
iindex 4ed3001..59d3eeb 100644
---- a/test/pages.test.js
++++ b/test/pages.test.js
@@@ -21,6 +21,10 @@ const { assetVersion } = require('../server/assets');
          assert.match(r.text, /href="\/watch"/);
          assert.match(r.text, /href="\/web"/);
          assert.match(r.text, /<main id="main"/);
++        const ld = [...r.text.matchAll(/<script type="application\/ld\+json">([\s\S]*?)<\/script>/g)].map((m) => JSON.parse(m[1])).flatMap((b) => b['@graph'] || [b]);
++        assert.ok(ld.some((x) => x['@type'] === 'WebSite'), 'home has WebSite JSON-LD');
++        const org = ld.find((x) => x['@type'] === 'Organization');
++        assert.ok(org && Array.isArray(org.sameAs) && org.sameAs.includes('https://github.com/OpenVibers'), 'home has the OpenVibe Organization');
          assert.strictEqual(r.headers.get('cache-control'), 'public, max-age=60');
          assert.match(r.headers.get('vary'), /Cookie/i);
      });