feat: add chat migrations

ci4/app/Database/Migrations/2024-09-17-151500_ChatDepartmentUsers.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Database\Migrations;
+
+use CodeIgniter\Database\Migration;
+
+class ChatDepartmentUsers extends Migration
+{
+    protected array $COLUMNS = [
+        "chat_deparment_id" => [
+            "type" => "INT",
+        ],
+        "user_id" => [
+            "type" => "INT",
+        ],
+    ];
+    public function up()
+    {
+        $this->forge->addField($this->COLUMNS);
+        $this->forge->createTable("chat_department_users");
+        $this->forge->addForeignKey("user_id","users","id");
+
+
+
+    }
+
+    public function down()
+    {
+        $this->forge->dropTable("chat_department_users");
+
+    }
+}