fix: add sitemap.xml and robots.txt; fix GitHub link, QPL status, line count, contact card copy

Author: dcoldeira

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@@ -1096,15 +1096,15 @@ <h2>The Quantum Relational Language</h2>
               </div>
               <div>
                 <div style="font-size: 0.875rem; font-weight: 600; margin-bottom: 0.2rem;">Peer-reviewed and open source</div>
-                <div style="font-size: 0.8rem; color: var(--muted2); line-height: 1.55;">QRL was presented at QPL 2026 (Quantum Physics and Logic, Amsterdam). The implementation — ~9,500 lines, 595 tests — is open source on GitHub and archived on Zenodo with a permanent DOI.</div>
+                <div style="font-size: 0.8rem; color: var(--muted2); line-height: 1.55;">QRL was submitted to QPL 2026 (Quantum Physics and Logic, Amsterdam). The implementation — ~11,700 lines, 595 tests — is open source on GitHub and archived on Zenodo with a permanent DOI.</div>
               </div>
             </div>
 
           </div>
 
           <div style="display: flex; gap: 0.75rem; flex-wrap: wrap;">
             <a href="https://doi.org/10.5281/zenodo.18292199" class="btn btn-outline" target="_blank" rel="noopener">Read the paper</a>
-            <a href="https://github.com/dcoldeira/quantum-relational-language" class="btn btn-outline" target="_blank" rel="noopener">View on GitHub</a>
+            <a href="https://github.com/entangledcode/qrl" class="btn btn-outline" target="_blank" rel="noopener">View on GitHub</a>
           </div>
         </div>
 
@@ -1142,12 +1142,12 @@ <h2>Working on quantum problems?</h2>
       <div class="contact-grid">
         <div class="contact-card">
           <h3>For researchers & academics</h3>
-          <p>Using Bell for quantum foundations, sensing, biology, or chemistry research? We're happy to discuss collaboration, custom domain modules, or API access.</p>
+          <p>Using Bell for quantum foundations, quantum information, or quantum networks research? We're happy to discuss collaboration, custom extensions, or API access.</p>
           <ul>
-            <li>Custom QRL domain modules for your research area</li>
             <li>API access for programmatic use</li>
             <li>Collaboration on quantum physics modeling</li>
             <li>Hardware execution via Quandela QPU</li>
+            <li>Custom extensions for your research area</li>
           </ul>
           <a href="mailto:hello@entangledcode.dev?subject=Research inquiry" class="btn btn-outline">hello@entangledcode.dev</a>
         </div>

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@@ -0,0 +1,4 @@
+User-agent: *
+Allow: /
+
+Sitemap: https://entangledcode.dev/sitemap.xml

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@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>https://entangledcode.dev/</loc>
+    <lastmod>2026-03-18</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>1.0</priority>
+  </url>
+  <url>
+    <loc>https://entangledcode.dev/privacy.html</loc>
+    <lastmod>2026-03-18</lastmod>
+    <changefreq>yearly</changefreq>
+    <priority>0.3</priority>
+  </url>
+</urlset>