feat: Update model selector UI and add new image assets for enhanced user experience

Author: Ashjha75

index.html

@@ -142,7 +142,7 @@ <h3>EXPLORER</h3>
                             </span>
                             <span class="separator">•</span>
                             <span class="info-item">
-                                <span class="material-symbols-outlined">smart_toy</span>
+                                <!-- <span class="material-symbols-outlined">smart_toy</span> -->
                                 <select id="modelSelector" title="Choose AI model format - optimizes output structure for each AI">
                                     <option value="gpt" title="Markdown format with clear code blocks">GPT-4 (Markdown)</option>
                                     <option value="claude" title="XML format with structured context">Claude (XML)</option>