docs: add App Store links for Safari macOS and iOS

NostrKey is now live on the Mac App Store — update download cards
and install instructions to link directly instead of GitHub releases.

Author: vveerrgg

docs/index.html

@@ -394,15 +394,15 @@ <h4>Chrome</h4>
                     <h4>Firefox</h4>
                     <p>Firefox Add-ons</p>
                 </a>
-                <a href="https://github.com/HumanjavaEnterprises/nostrkey.browser.plugin.src/releases/latest" target="nostrkey-web" class="download-card">
-                    <svg viewBox="0 0 24 24" fill="#0066CC"><rect width="24" height="24" rx="5" fill="#0066CC"/><text x="12" y="17" text-anchor="middle" fill="white" font-size="14" font-weight="bold">S</text></svg>
+                <a href="https://apps.apple.com/ca/app/nostrkey-web-extension/id6759624317" target="nostrkey-web" class="download-card">
+                    <svg viewBox="0 0 24 24" fill="none"><rect width="24" height="24" rx="5" fill="#000"/><path d="M17.05 12.54c-.02-2.1 1.73-3.12 1.81-3.17-1-1.44-2.53-1.64-3.07-1.66-1.29-.14-2.55.77-3.21.77-.67 0-1.68-.76-2.77-.74-1.41.02-2.73.83-3.45 2.1-1.49 2.58-.38 6.38 1.05 8.47.72 1.02 1.56 2.17 2.66 2.13 1.08-.04 1.49-.69 2.79-.69 1.3 0 1.67.69 2.79.66 1.15-.02 1.87-1.03 2.57-2.06.83-1.18 1.16-2.34 1.17-2.4-.03-.01-2.23-.85-2.25-3.39zM14.97 5.89c.58-.72.98-1.7.87-2.7-.84.04-1.89.58-2.49 1.28-.54.62-1.02 1.64-.9 2.6.95.07 1.92-.48 2.52-1.18z" fill="#fff"/></svg>
                     <h4>Safari (macOS)</h4>
-                    <p>Xcode build</p>
+                    <p>Mac App Store</p>
                 </a>
-                <a href="https://github.com/HumanjavaEnterprises/nostrkey.browser.plugin.src/releases/latest" target="nostrkey-web" class="download-card">
-                    <svg viewBox="0 0 24 24" fill="#147EFB"><rect width="24" height="24" rx="5" fill="#147EFB"/><rect x="7" y="3" width="10" height="18" rx="2" fill="white"/></svg>
+                <a href="https://apps.apple.com/ca/app/nostrkey-web-extension/id6759624317" target="nostrkey-web" class="download-card">
+                    <svg viewBox="0 0 24 24" fill="none"><rect width="24" height="24" rx="5" fill="#000"/><path d="M17.05 12.54c-.02-2.1 1.73-3.12 1.81-3.17-1-1.44-2.53-1.64-3.07-1.66-1.29-.14-2.55.77-3.21.77-.67 0-1.68-.76-2.77-.74-1.41.02-2.73.83-3.45 2.1-1.49 2.58-.38 6.38 1.05 8.47.72 1.02 1.56 2.17 2.66 2.13 1.08-.04 1.49-.69 2.79-.69 1.3 0 1.67.69 2.79.66 1.15-.02 1.87-1.03 2.57-2.06.83-1.18 1.16-2.34 1.17-2.4-.03-.01-2.23-.85-2.25-3.39zM14.97 5.89c.58-.72.98-1.7.87-2.7-.84.04-1.89.58-2.49 1.28-.54.62-1.02 1.64-.9 2.6.95.07 1.92-.48 2.52-1.18z" fill="#fff"/></svg>
                     <h4>Safari (iOS)</h4>
-                    <p>Xcode build</p>
+                    <p>App Store</p>
                 </a>
             </div>
 
@@ -450,24 +450,18 @@ <h3>Chrome Sideload (Developer Mode)</h3>
                 <li style="padding-left: 8px;">Click <strong>Load unpacked</strong> and select the unzipped folder</li>
             </ol>
 
-            <h3>Safari (macOS)</h3>
+            <h3>Safari (macOS &amp; iOS)</h3>
+            <p>Install from the <a href="https://apps.apple.com/ca/app/nostrkey-web-extension/id6759624317" target="nostrkey-web" style="color: var(--accent);">App Store</a> — available for both macOS and iOS. After installing, enable the extension in Safari → Settings → Extensions.</p>
+
+            <h3>Build from Xcode (Developer)</h3>
             <ol style="list-style: decimal; padding-left: 24px;">
                 <li style="padding-left: 8px;">Clone the repo: <code>git clone https://github.com/HumanjavaEnterprises/nostrkey.browser.plugin.src.git</code></li>
                 <li style="padding-left: 8px;">Run <code>npm install && ./build.js dev safari</code></li>
                 <li style="padding-left: 8px;">Open <code>dev/apple/NostrKey.xcodeproj</code> in Xcode</li>
-                <li style="padding-left: 8px;">Build and Run (⌘R)</li>
+                <li style="padding-left: 8px;">Build and Run (⌘R) — select macOS or your connected iPhone</li>
                 <li style="padding-left: 8px;">Safari → Settings → Extensions → Enable NostrKey</li>
             </ol>
 
-            <h3>Safari (iOS)</h3>
-            <ol style="list-style: decimal; padding-left: 24px;">
-                <li style="padding-left: 8px;">Clone repo and build Safari assets (same as macOS)</li>
-                <li style="padding-left: 8px;">Connect iPhone via USB</li>
-                <li style="padding-left: 8px;">In Xcode, select your iPhone as the destination</li>
-                <li style="padding-left: 8px;">Build and Run (⌘R)</li>
-                <li style="padding-left: 8px;">Settings → Safari → Extensions → Enable NostrKey</li>
-            </ol>
-
             <h3>Python SDK — NostrKey for AI Entities</h3>
             <p>Give your AI its own cryptographic identity. The <code>nostrkey</code> Python package lets OpenClaw bots generate keypairs, sign events, encrypt data, and connect to Nostr relays.</p>
             <pre><code>pip install nostrkey</code></pre>