Add dcr.cerebro.host VSP to mainnet list (#204)

- VSP launched on September 9, 2024
- Operational for over 3 months
- Successfully voted 6 tickets
- Currently managing 9 live tickets
- VSP API endpoint: https://dcr.cerebro.host/api/v3/vspinfo
- Fee: 0.888%
- Network: mainnet
- First ticket voted on October 31, 2024 (25 days after launch)

Author: VirgilBB

service.go

@@ -130,6 +130,10 @@ func NewService() *Service {
 				Network:  "mainnet",
 				Launched: getUnixTime(2022, 5, 1),
 			},
+			"dcr.cerebro.host": {
+				Network:  "mainnet",
+				Launched: getUnixTime(2024, 9, 9),
+			},
 			"dcrhive.com": {
 				Network:  "mainnet",
 				Launched: getUnixTime(2022, 6, 23),