Update site for .env keys and pd1 connection invites.

Quick start, operator, security, FAQ, download, home, and learn pages now
point operators at /opt/peardock/.env for public key and seed, and document
viewer / admin / pd1. invite roles.

index.html

@@ -445,7 +445,7 @@ curl -fsSL https://install.peardock.boats | bash -s -- --client --yes</code></pr
           <article class="card reveal">
             <span class="badge mb-4">01</span>
             <h3>Server online</h3>
-            <p class="mt-4">Run <code>systemctl status peardock</code>, then copy the <strong>public key</strong> from the journal.</p>
+            <p class="mt-4">Run <code>systemctl status peardock</code>, then check <code>/opt/peardock/.env</code> for <code>SERVER_PUBLIC_KEY</code> and <code>SERVER_SEED</code>.</p>
           </article>
           <article class="card reveal">
             <span class="badge mb-4">02</span>
@@ -455,7 +455,7 @@ curl -fsSL https://install.peardock.boats | bash -s -- --client --yes</code></pr
           <article class="card reveal">
             <span class="badge mb-4">03</span>
             <h3>Connect</h3>
-            <p class="mt-4">Paste the 64-character public key. Peers auto-reconnect every 5s if the link drops.</p>
+            <p class="mt-4">Add peer: public key (viewer), key + seed (admin), or a full <code>pd1.</code> invite. Peers auto-reconnect every 5s if the link drops.</p>
           </article>
         </div>
         <div class="text-center mt-6 reveal">