docs: Update search placeholder to clarify hostname filtering

Author: h0tak88r

panel.html

@@ -32,7 +32,7 @@
                 <div class="search-container">
                     <!-- Primary Actions: Search and Most Used Buttons -->
                     <div class="search-input-wrapper">
-                        <input type="text" id="search-bar" placeholder="Filter requests...">
+                        <input type="text" id="search-bar" placeholder="Filter by URL, hostname, method, headers...">
                         <button id="regex-toggle" class="regex-toggle-inline" title="Toggle Regex Mode">
                             <span class="regex-icon">.*</span>
                         </button>