add test component to test color mode sync

Author: pettinarip

src/components/Nav/index.tsx

@@ -56,6 +56,11 @@ const Nav = () => {
           >
             <EthHomeIcon opacity={0.85} _hover={{ opacity: 1 }} />
           </BaseLink>
+
+          <div className="bg-background text-foreground flex justify-center items-center">
+            test
+          </div>
+
           {/* Desktop */}
           <Flex
             w="full"