feat: Initial commit for Saqel Platform architecture, backend, Docker, and documentation

backend/database/factories/CourseFactory.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Course;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<Course>
+ */
+class CourseFactory extends Factory
+{
+    public function definition(): array
+    {
+        return [
+            'subject_id' => SubjectFactory::new(),
+            'grade' => 12,
+            'track' => 'scientific',
+            'title' => fake()->sentence(3),
+            'description' => fake()->paragraph(),
+        ];
+    }
+}