add task

server/src/entity/task.entity.ts

@@ -0,0 +1,31 @@
+import { IsNotEmpty } from "class-validator";
+import {
+  Column,
+  Entity,
+  JoinColumn,
+  ManyToOne,
+  PrimaryGeneratedColumn
+} from "typeorm";
+import { Project } from "./project.entity";
+
+@Entity()
+export class Task {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @Column()
+  @IsNotEmpty()
+  description: string;
+
+  @Column({ type: "timestamptz" })
+  @IsNotEmpty()
+  createdAt: Date;
+
+  @Column({ type: "timestamptz", nullable: true })
+  finishedAt?: Date;
+
+  @ManyToOne((_type) => Project, (project) => project.tasks)
+  @JoinColumn()
+  @IsNotEmpty()
+  project: Project;
+}