feat(org-chart): add core cards and fixed-layout integration

examples/org-chart/serve.mjs

@@ -0,0 +1,18 @@
+import http from 'node:http';
+import { readFile } from 'node:fs/promises';
+import { fileURLToPath } from 'node:url';
+import path from 'node:path';
+const base = fileURLToPath(new URL('./dist/', import.meta.url));
+const mime = { '.html': 'text/html; charset=utf-8', '.js': 'text/javascript; charset=utf-8', '.json': 'application/json; charset=utf-8', '.css': 'text/css; charset=utf-8', '.ttf': 'font/ttf' };
+const port = Number(process.env.ORGCHART_PORT || 4178);
+http.createServer(async (request, response) => {
+  try {
+    const url = new URL(request.url, 'http://localhost');
+    const file = path.resolve(base, '.' + decodeURIComponent(url.pathname === '/' ? '/index.html' : url.pathname));
+    const relative = path.relative(base, file);
+    if (relative.startsWith('..') || path.isAbsolute(relative)) { response.writeHead(403).end(); return; }
+    const data = await readFile(file);
+    response.setHeader('Content-Type', mime[path.extname(file)] || 'application/octet-stream');
+    response.setHeader('Cache-Control', 'no-store'); response.end(data);
+  } catch { response.writeHead(404).end(); }
+}).listen(port, '127.0.0.1', () => console.log(`OrgChart example: http://127.0.0.1:${port}`));