add new line after timestamp hardforks (#1331)

Author: ceyonur

params/config.go

@@ -238,6 +238,7 @@ func (c *ChainConfig) Description() string {
 	banner += "Hard forks (timestamp based):\n"
 	banner += fmt.Sprintf(" - Cancun Timestamp:              @%-10v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/cancun.md)\n", ptrToString(c.CancunTime))
 	banner += fmt.Sprintf(" - Verkle Timestamp:              @%-10v", ptrToString(c.VerkleTime))
+	banner += "\n"
 
 	banner += "Avalanche Upgrades (timestamp based):\n"
 	banner += c.NetworkUpgrades.Description()