chore: remove outdated example configs, html docs, and binary artifacts from root and site directories

site/documentation.html

@@ -131,12 +131,24 @@
             </p>
             <h3>Window Decorations</h3>
             <p>
-                Each window has a title bar showing its name. The title bar color indicates focus:
+                DWN features a professional borderless design for maximum screen utilization:
             </p>
             <ul>
-                <li><strong>Blue title bar</strong> - Focused window</li>
-                <li><strong>Gray title bar</strong> - Unfocused window</li>
+                <li><strong>0px borders</strong> - No visible borders around windows</li>
+                <li><strong>0px gaps</strong> - Windows tile edge-to-edge without spacing</li>
+                <li><strong>28px title bars</strong> - Minimal height showing window name and controls</li>
             </ul>
+            <p>
+                The title bar color indicates focus:
+            </p>
+            <ul>
+                <li><strong>Bright title bar</strong> - Focused window</li>
+                <li><strong>Dim title bar</strong> - Unfocused window</li>
+            </ul>
+            <p>
+                This seamless design creates a smooth, professional appearance where content takes
+                center stage. All settings can be customized in <code>~/.config/dwn/config</code>.
+            </p>
             <h2 id="tutorial">Interactive Tutorial</h2>
             <p>
                 DWN includes a built-in interactive tutorial that teaches you essential shortcuts
@@ -152,6 +164,23 @@
                 <h3>Start the Tutorial</h3>
                 <p>Press <kbd>Super</kbd> + <kbd>T</kbd> at any time to start or resume the tutorial.</p>
             </div>
+            <h2 id="demo">Demo Mode</h2>
+            <p>
+                DWN includes an automated demo mode that showcases all features without requiring
+                any interaction. The demo:
+            </p>
+            <ul>
+                <li>Automatically demonstrates window management operations</li>
+                <li>Shows workspace switching and layout changes</li>
+                <li>Highlights panel features and system tray widgets</li>
+                <li>Demonstrates AI integration capabilities (if configured)</li>
+                <li>Displays the complete keyboard shortcut reference</li>
+            </ul>
+            <div class="card">
+                <h3>Start Demo Mode</h3>
+                <p>Press <kbd>Super</kbd> + <kbd>Shift</kbd> + <kbd>D</kbd> to start the demo.
+                   Press the same shortcut again to stop it at any time.</p>
+            </div>
             <h2 id="windows">Managing Windows</h2>
             <h3>Window Operations</h3>
             <div class="table-wrapper">