feat: multisign embedding (#1823)

Adds the ability to use a multisign embedding for cases where multiple
documents need to be signed in a convenient manner.

packages/ui/primitives/alert.tsx

@@ -58,7 +58,7 @@ const AlertDescription = React.forwardRef<
   HTMLParagraphElement,
   React.HTMLAttributes<HTMLParagraphElement>
 >(({ className, ...props }, ref) => (
-  <div ref={ref} className={cn('text-sm', className)} {...props} />
+  <div ref={ref} className={cn('mt-2 text-sm', className)} {...props} />
 ));
 
 AlertDescription.displayName = 'AlertDescription';