Fixed inconsistencies and dead links

Author: MissCorruption

docs/_layouts/default.html

@@ -18,30 +18,34 @@ <h1><a href="{{ '/' | relative_url }}">{{ site.title }}</a></h1>
       <nav class="main-nav">
         <h2>SexLab P+</h2>
         <ul>
-          <li><a href="{{ '/slp/quick-start/' | relative_url }}">Quick Start</a></li>
           <li><a href="{{ '/slp/beginners-guide/' | relative_url }}">Beginner's Guide</a></li>
+          <li><a href="{{ '/slp/installation/' | relative_url }}">Installation</a></li>
+          <li><a href="{{ '/slp/how-to-play/' | relative_url }}">How to Play</a></li>
+          <li><a href="{{ '/slp/settings-reference/' | relative_url }}">Settings Reference</a></li>
+        </ul>
+        
+        <h2>Migration Guide</h2>
+        <ul>
           <li><a href="{{ '/slp/why-pplus/' | relative_url }}">Why P+?</a></li>
           <li><a href="{{ '/slp/comparison/' | relative_url }}">Feature Comparison</a></li>
-          <li><a href="{{ '/slp/how-to-play/' | relative_url }}">How to Play</a></li>
-          <li><a href="{{ '/slp/installation/' | relative_url }}">Installation</a></li>
         </ul>
 
-        <h2>Load Order</h2>
+        <h2>Content & Mods</h2>
         <ul>
+          <li><a href="{{ '/slp/animation-packs/' | relative_url }}">Animation Packs</a></li>
           <li><a href="{{ '/slp/recommended-mods/' | relative_url }}">Recommended Mods</a></li>
           <li><a href="{{ '/slp/incompatible-mods/' | relative_url }}">Incompatible Mods</a></li>
-          <li><a href="{{ '/slp/animation-packs/' | relative_url }}">Animation Packs</a></li>
         </ul>
 
-        <h2>SLSB</h2>
+        <h2>SLSB (Animation Tool)</h2>
         <ul>
           <li><a href="{{ '/slsb/introduction/' | relative_url }}">Introduction</a></li>
           <li><a href="{{ '/slsb/slal-vs-slsb/' | relative_url }}">SLAL vs SLSB</a></li>
           <li><a href="{{ '/slsb/converting-animations/' | relative_url }}">Converting Animations</a></li>
           <li><a href="{{ '/slsb/environment-setup/' | relative_url }}">Environment Setup</a></li>
         </ul>
 
-        <h2>Resources</h2>
+        <h2>Support</h2>
         <ul>
           <li><a href="{{ '/troubleshooting/' | relative_url }}">Troubleshooting</a></li>
           <li><a href="{{ '/faq/' | relative_url }}">FAQ</a></li>