Configure remote database connection and update documentation

backend/dist/modules/messages/entities/message.entity.d.ts

@@ -0,0 +1,13 @@
+import { User } from '../../users/entities/user.entity';
+import { Conversation } from '../../conversations/entities/conversation.entity';
+export declare class Message {
+    id: string;
+    content: string;
+    sender: User;
+    conversation: Conversation;
+    isRead: boolean;
+    isEdited: boolean;
+    editedAt?: Date;
+    createdAt: Date;
+    updatedAt: Date;
+}