feat: add ClawHub skill link to OpenClaw section on nostrkey.com

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: vveerrgg

docs/index.html

@@ -476,13 +476,17 @@ <h3>Python SDK — NostrKey for AI Entities</h3>
 
 # Save identity (encrypted)
 bot.save("my-bot.nostrkey", passphrase="strong-passphrase")</code></pre>
-            <p style="font-size: 0.875rem; color: var(--text-muted);">Implements NIP-01 (events), NIP-19 (bech32), NIP-44 (encryption), and NIP-46 (bunker). <a href="https://loginwithnostr.com/openclaw" style="color: var(--accent-secondary);">Learn more about OpenClaw identity</a></p>
+            <p style="font-size: 0.875rem; color: var(--text-muted);">Implements NIP-01 (events), NIP-19 (bech32), NIP-44 (encryption), and NIP-46 (bunker). Also available as an <a href="https://clawhub.ai/skills/nostrkey" style="color: var(--accent-secondary);">OpenClaw skill on ClawHub</a>. <a href="https://loginwithnostr.com/openclaw" style="color: var(--accent-secondary);">Learn more about OpenClaw identity</a></p>
 
             <div class="cta-row">
                 <a href="https://pypi.org/project/nostrkey/" target="nostrkey-web" class="btn">
                     <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M4 17l6-6-6-6m8 14h8"/></svg>
                     PyPI Package
                 </a>
+                <a href="https://clawhub.ai/skills/nostrkey" target="nostrkey-web" class="btn btn-secondary">
+                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M12 2L2 7l10 5 10-5-10-5zM2 17l10 5 10-5M2 12l10 5 10-5"/></svg>
+                    ClawHub Skill
+                </a>
                 <a href="https://github.com/HumanjavaEnterprises/nostrkey.app.OC-python.src" target="nostrkey-web" class="btn btn-secondary">
                     <svg width="20" height="20" viewBox="0 0 24 24" fill="currentColor"><path d="M12 0C5.37 0 0 5.37 0 12c0 5.31 3.435 9.795 8.205 11.385.6.105.825-.255.825-.57 0-.285-.015-1.23-.015-2.235-3.015.555-3.795-.735-4.035-1.41-.135-.345-.72-1.41-1.23-1.695-.42-.225-1.02-.78-.015-.795.945-.015 1.62.87 1.845 1.23 1.08 1.815 2.805 1.305 3.495.99.105-.78.42-1.305.765-1.605-2.67-.3-5.46-1.335-5.46-5.925 0-1.305.465-2.385 1.23-3.225-.12-.3-.54-1.53.12-3.18 0 0 1.005-.315 3.3 1.23.96-.27 1.98-.405 3-.405s2.04.135 3 .405c2.295-1.56 3.3-1.23 3.3-1.23.66 1.65.24 2.88.12 3.18.765.84 1.23 1.905 1.23 3.225 0 4.605-2.805 5.625-5.475 5.925.435.375.81 1.095.81 2.22 0 1.605-.015 2.895-.015 3.3 0 .315.225.69.825.57A12.02 12.02 0 0024 12c0-6.63-5.37-12-12-12z"/></svg>
                     Python SDK Source