init migration poc

packages/server/src/database/entities/ChatMessage.ts

@@ -0,0 +1,25 @@
+/* eslint-disable */
+import { Entity, Column, CreateDateColumn, PrimaryGeneratedColumn, Index } from 'typeorm'
+import { IChatMessage, MessageType } from '../../Interface'
+
+@Entity()
+export class ChatMessage implements IChatMessage {
+    @PrimaryGeneratedColumn('uuid')
+    id: string
+
+    @Column()
+    role: MessageType
+
+    @Index()
+    @Column()
+    chatflowid: string
+
+    @Column({ type: 'text' })
+    content: string
+
+    @Column({ nullable: true })
+    sourceDocuments?: string
+
+    @CreateDateColumn()
+    createdDate: Date
+}