chore: update default config

README.md

@@ -39,4 +39,4 @@ Default: `3h`
 How many backups to keep. If more backups are stored in the backup folder, the oldest one will be removed until there
 are only as many as this config variable.
 
-Default: `24`
+Default: `12`

config.go

@@ -34,7 +34,7 @@ func init() {
 	config = &conf{
 		Folder:     "/backups/",
 		Interval:   time.Hour * 6,
-		MaxBackups: 10,
+		MaxBackups: 12,
 	}
 
 	folder, has := os.LookupEnv(envBackupFolder)