add blueprint files to git

database/factories/CourseFactory.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+use Illuminate\Support\Str;
+use App\Models\Course;
+use App\Models\Lecturer;
+
+class CourseFactory extends Factory
+{
+    /**
+     * The name of the factory's corresponding model.
+     *
+     * @var string
+     */
+    protected $model = Course::class;
+
+    /**
+     * Define the model's default state.
+     *
+     * @return array
+     */
+    public function definition(): array
+    {
+        return [
+            'lecturer_id' => Lecturer::factory(),
+            'name' => $this->faker->name,
+        ];
+    }
+}