deadline for subtasks

be/app/Http/Resources/SubTaskResource.php

@@ -28,6 +28,7 @@ class SubTaskResource extends JsonResource
             'employee_id' => $this->user->id,
             'duration' => $this->estimated_time,
             'spent_time' => $this->tracked_time,
+            'deadline' => $this->deadline,
             'is_finished' => $this->is_finished,
             'timeblocks' => TimeblockResource::collection($this->timeblocks),
             'timesheets' => TimesheetResource::collection($this->timesheets),

be/database/migrations/2023_06_06_082226_add_deadline_to_subtasks_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('sub_tasks', function (Blueprint $table) {
+            $table->timestamp('deadline')->after('tracked_time')->default(NULL);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('subtasks', function (Blueprint $table) {
+            //
+        });
+    }
+};