feat(client): add customUpCodes to Monitor type and validation schema

client/src/Types/Monitor.ts

@@ -71,6 +71,7 @@ export interface Monitor {
 	uptimePercentage?: number;
 	notifications: string[];
 	tags: string[];
+	customUpCodes?: number[];
 	secret?: string;
 	cpuAlertThreshold: number;
 	cpuAlertCounter: number;