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

backend/database/factories/SubjectFactory.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Subject;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<Subject>
+ */
+class SubjectFactory extends Factory
+{
+    public function definition(): array
+    {
+        $name = fake()->unique()->randomElement(['mathematics', 'physics', 'chemistry', 'biology', 'arabic']);
+
+        return [
+            'name' => ucfirst($name),
+            'slug' => $name,
+        ];
+    }
+}