fix: Fix several lighthouse issues

packages/ui/src/components/Link/Link.tsx

@@ -42,7 +42,7 @@ export const Link = memo(function Link(props: LinkProps) {
 
   const sharedClasses = cn(
     !color && 'text-[var(--rb-ring)]',
-    'cursor-pointer hover:underline underline-offset-4 transition-colors',
+    'cursor-pointer underline hover:no-underline underline-offset-4 transition-colors',
     'focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2',
     className
   );

packages/ui/src/components/ThemeSwitch/ThemeSwitch.tsx

@@ -45,7 +45,7 @@ export function ThemeSwitch(): React.JSX.Element {
         onPress={() => setPreference('system')}
       >
         <Text bold={preference === 'system'} size="s" type="label">
-          Auto
+          Follow system theme
         </Text>
       </Button>
     </HStack>