added Callback and custon notification Toast, client notification event handler

packages/database/prisma/json/SocketEvents.ts

@@ -0,0 +1,21 @@
+import { Mission } from "../../generated/client";
+
+interface ValidationFailed {
+	type: "hpg-validation";
+	status: "failed";
+	message: string;
+	data: {
+		mission: Mission;
+	};
+}
+
+interface ValidationSuccess {
+	type: "hpg-validation";
+	status: "success";
+	message: string;
+	data: {
+		mission: Mission;
+	};
+}
+
+export type NotificationPayload = ValidationFailed | ValidationSuccess;