add school year model

app/Http/Requests/SchoolYears/SaveSchoolYearRequest.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Requests\SchoolYears;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class SaveSchoolYearRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'name' => ['required', 'string', 'max:50'],
+            'start_date' => ['required', 'date'],
+            'end_date' => ['required', 'date', 'after:start_date'],
+        ];
+    }
+}