Enhance Group and Document resources; add leader and helper teacher relationships, update navigation icons, and adjust navigation sorting.

database/factories/TeacherFactory.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\Teacher>
+ */
+class TeacherFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'name' => $this->faker->name(),
+            'bio' => $this->faker->paragraph(),
+        ];
+    }
+}