feat: add Chrome extension install button to landing page hero [P1]

- Added 'Add to Chrome — Free' CTA as primary button in hero section
- Updated Browser Extension notice from 'Coming soon' to live install link
- Links to Chrome Web Store: pdhanfhfocbonalekhcjpfnkiobpimeb

Author: Alex Hosein

docs/index.html

@@ -36,7 +36,8 @@ <h1 class="glow">OPEN SOURCE SECURITY FOR LLM INFERENCE</h1>
             </div>
 
             <div class="cta-buttons">
-                <a href="https://app.infershield.io" class="btn btn-primary">GET STARTED FREE</a>
+                <a href="https://chromewebstore.google.com/detail/infershield-ai-security-g/pdhanfhfocbonalekhcjpfnkiobpimeb" class="btn btn-primary" target="_blank" rel="noopener">🔒 Add to Chrome — Free</a>
+                <a href="https://app.infershield.io" class="btn btn-secondary">GET STARTED FREE</a>
                 <a href="https://github.com/InferShield/infershield" class="btn btn-secondary">VIEW ON GITHUB</a>
             </div>
 
@@ -51,8 +52,8 @@ <h1 class="glow">OPEN SOURCE SECURITY FOR LLM INFERENCE</h1>
                     <h3>v1.0 Released — March 2026</h3>
                     <p><strong>Proxy v1.0:</strong> Stable. Passthrough mode, no key custody. Drop-in replacement for any LLM API.</p>
                     <p><strong>Platform v1.0:</strong> Threat dashboard, compliance exports, audit logs — production-ready.</p>
-                    <p><strong>Browser Extension:</strong> Coming soon — IDE &amp; browser-level protection for GitHub Copilot, Cursor, and Windsurf. 
-                    <a href="https://github.com/InferShield/infershield/issues/1" class="notice-link">Track progress on GitHub →</a></p>
+                    <p><strong>Browser Extension:</strong> Now available! Browser-level protection for GitHub Copilot, Cursor, Windsurf, and all web-based LLM tools.
+                    <a href="https://chromewebstore.google.com/detail/infershield-ai-security-g/pdhanfhfocbonalekhcjpfnkiobpimeb" class="notice-link">Install from Chrome Web Store →</a></p>
                 </div>
             </div>
         </section>