add assessment feature

app/Models/QuestionPoolModel.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class QuestionPoolModel extends Model
+{
+    protected $table = 'question_pools';
+    protected $primaryKey = 'id';
+    protected $returnType = 'array';
+    protected $allowedFields = ['name', 'subject_tag', 'created_by'];
+    protected $useTimestamps = true;
+}