fix(landing): correct API names in carousel snippets (stickySession, scaleTo)

Author: molty3000

docs/index.html

@@ -272,7 +272,7 @@ <h4>Intelligent Load Balancer with Health Checks</h4>
       { url: <span class="str">'http://api3:3000'</span>, weight: <span class="num">1</span> },
     ],
     healthCheck: { enabled: <span class="kw">true</span>, interval: <span class="num">15000</span>, path: <span class="str">'/health'</span> },
-    stickySessions: { enabled: <span class="kw">true</span> },
+    stickySession: { enabled: <span class="kw">true</span> },
   },
 })</div>
             </div>
@@ -313,7 +313,7 @@ <h4>Multi-Process Cluster with Zero-Downtime Restarts</h4>
   },
 })
 <span class="cmt">// Scale at runtime: kill -s SIGUSR2 &lt;pid&gt; → rolling restart</span>
-<span class="cmt">// Increase workers: gateway.cluster.scale(12)</span></div>
+<span class="cmt">// Increase workers: gateway.cluster.scaleTo(12)</span></div>
             </div>
           </div>
           <div class="use-slide">