added migration seeders models and test script

app/Models/UserModel.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class UserModel extends Model
+{
+    use LoggableTrait;
+
+    protected $table = 'users';
+    protected $primaryKey = 'id';
+    protected $useAutoIncrement = false;
+    protected $returnType = 'array';
+    protected $useSoftDeletes = false;
+    protected $allowedFields = [
+        'id',
+        'email',
+        'password_hash',
+        'name',
+        'avatar_url',
+        'settings',
+        'created_at',
+        'updated_at',
+    ];
+
+    protected $useTimestamps = true;
+    protected $createdField = 'created_at';
+    protected $updatedField = 'updated_at';
+
+    protected $validationRules = [
+        'email' => 'required|valid_email|is_unique[users.email]',
+        'password_hash' => 'required',
+    ];
+
+    protected $validationMessages = [
+        'email' => [
+            'required' => 'Email is required',
+            'valid_email' => 'Please enter a valid email address',
+            'is_unique' => 'This email is already registered',
+        ],
+    ];
+
+    protected function getEntityType(): string
+    {
+        return 'user';
+    }
+}