the campaign wrapped up :: use the final totals for a thank-you alert.

### Campaign
- `[[[event.charity_name]]]` :: Charity name
- `[[[event.charity_description]]]` :: Charity description
- `[[[event.charity_logo]]]` :: Charity logo URL
- `[[[event.stopped_at]]]` :: When the campaign ended

### Final Totals
- `[[[event.current_amount.formatted]]]` :: Final amount raised (formatted) :: USE THIS
- `[[[event.current_amount.value]]]` :: Final amount in minor units
- `[[[event.target_amount.formatted]]]` :: Target (formatted)

note: maps to the Twitch EventSub event `channel.charity_campaign.stop`.