update example command in index.html for clarity

Author: jkyberneees

docs/index.html

@@ -1100,7 +1100,7 @@ <h3 class="step-title">Start Using Kai</h3>
               Run OpenCode with any task. Kai analyzes, routes, and orchestrates automatically.
             </p>
             <div class="step-code">
-              <code id="code3">opencode run "What is happening in the World today?"</code>
+              <code id="code3">opencode</code>
               <button class="cli-copy" onclick="copyText('code3')">Copy</button>
             </div>
           </div>