feat: add notification database structure

prisma/schema.prisma

@@ -12,6 +12,22 @@ datasource db {
   url      = env("DATABASE_URL")
 }
 
+model Notification {
+  id String @id @default(cuid())
+
+  title  String
+  detail String
+
+  groupReceiver String
+
+  receiver   User?   @relation(name: "NotificationReceiver", fields: [receiverId], references: [id], onDelete: Cascade)
+  receiverId String?
+
+  createdAt DateTime @default(now())
+
+  readByUser User[]
+}
+
 model Menu {
   id String @id @default(cuid())
 
@@ -426,6 +442,8 @@ model User {
   flowUpdated              WorkflowTemplate[]  @relation("FlowUpdatedByUser")
   invoiceCreated           Invoice[]
   paymentCreated           Payment[]
+  notificationReceive      Notification[]      @relation("NotificationReceiver")
+  notificationRead         Notification[]
 }
 
 enum CustomerType {