Add dark mode support for chatbot image

Signed-off-by: Owen <owenwahlgren@gmail.com>

Author: owenwahlgren

components/ui/chatbot.tsx

@@ -25,7 +25,7 @@ const Chatbot: React.FC<ChatbotProps> = ({ variant = 'fixed', className }) => {
           src="/avax-gpt.png" 
           alt="AI Assistant" 
           className={cn(
-            "relative object-contain drop-shadow-lg",
+            "relative object-contain drop-shadow-lg dark:invert",
             variant === 'fixed' ? "h-16 w-16" : "h-12 w-12"
           )}
         />
@@ -34,4 +34,4 @@ const Chatbot: React.FC<ChatbotProps> = ({ variant = 'fixed', className }) => {
   );
 };
 
-export default Chatbot;
+export default Chatbot;