Add WebSite + Organization JSON-LD to the home page (#264)

ddiff --git a/server/public/browse.js b/server/public/browse.js
iindex f2e94a2..873abe5 100644
---- a/server/public/browse.js
++++ b/server/public/browse.js
@@@ -202,6 +202,7 @@ function browseJsonLd(tab, cards) {
      const items = cards.map((c) => ({ name: c.title || 'Untitled', url: abs(c.view) })).filter((it) => it.url);
      return [
          tab === 'all' ? seo.jsonLd.website({ name: 'OpenVibe.Media', url: `${config.publicUrl}/`, description: 'Every public file on the OpenVibe network: videos, clips, files and thumbnails.' }) : null,
++        tab === 'all' ? seo.jsonLd.organization() : null,
          items.length ? seo.jsonLd.itemList(tab === 'all' ? 'Latest public media' : `Latest public ${tab}`, items, { url: `${config.publicUrl}/${tab === 'all' ? '' : `?tab=${tab}`}` }) : null,
      ].filter(Boolean);
  }
ddiff --git a/test/perf-budget.test.js b/test/perf-budget.test.js
iindex 2a04680..4c7f91f 100644
---- a/test/perf-budget.test.js
++++ b/test/perf-budget.test.js
@@@ -13,7 +13,7 @@ const { measure, check, format } = require('openvibe-shared/perf-budget');
  
  (async () => {
      const BUDGETS = {
--        htmlRawKB: 51,   // 50.1 with openvibe-shared 4.59.0: the Pair mark beside the name, set in the brand face (2026-10-31); 48.6 with the phone pick block and folds (2026-10-30; a fresh database measures a little larger); 43.8 openvibe-shared 4.22.0: the navbar's magnifier search button and More dropdown (search.js and loading.js load only when used); measured 38.8 on 2026-10-22 (fresh database): the home gained its developer half (what it does, code, limits, questions and their FAQPage data); 19.8 before
++        htmlRawKB: 51.8,   // 2026-11-01: WebSite + Organization JSON-LD; 50.1 with openvibe-shared 4.59.0: the Pair mark beside the name, set in the brand face (2026-10-31); 48.6 with the phone pick block and folds (2026-10-30; a fresh database measures a little larger); 43.8 openvibe-shared 4.22.0: the navbar's magnifier search button and More dropdown (search.js and loading.js load only when used); measured 38.8 on 2026-10-22 (fresh database): the home gained its developer half (what it does, code, limits, questions and their FAQPage data); 19.8 before
          htmlBrotliKB: 12.3,   // 12.1 with openvibe-shared 4.66.0: the mark with depth and motion, ov-fx loaded on request (2026-10-31); 10.8 openvibe-shared 4.22.0: the navbar's magnifier search button and More dropdown (search.js and loading.js load only when used); 9.7 on 2026-10-22; 5.0 before
          jsFiles: 4,   // 3
          // 2026-09-27: theme-loader (44.3 KB, 8.3 brotli) now comes from Media's own /shared (D42) instead of
ddiff --git a/test/public-pages.test.js b/test/public-pages.test.js
iindex ad38864..b07053b 100644
---- a/test/public-pages.test.js
++++ b/test/public-pages.test.js
@@@ -166,6 +166,8 @@ const http = require('http');
          assert.strictEqual(r.status, 200);
          const ld = [...r.body.matchAll(/<script type="application\/ld\+json">([\s\S]*?)<\/script>/g)].flatMap((m) => JSON.parse(m[1])['@graph'] || []);
          assert.ok(ld.some((x) => x['@type'] === 'WebSite'), 'the index names the site');
++        const org = ld.find((x) => x['@type'] === 'Organization');
++        assert.ok(org && Array.isArray(org.sameAs) && org.sameAs.includes('https://github.com/OpenVibers'), 'the index names the OpenVibe Organization');
          const list = ld.find((x) => x['@type'] === 'ItemList');
          assert.ok(list && list.itemListElement.length >= 1 && list.itemListElement.every((it) => /^https?:\/\//.test(it.url)), 'the listed cards, with absolute URLs');
          const h1s = (html) => (html.match(/<h1[\s>]/g) || []).length;