feat: add analytics and unknown useragents

app/Controllers/UnknownUserAgents.php

@@ -0,0 +1,19 @@
+<?php namespace App\Controllers;
+use CodeIgniter\Controller;
+
+class UnknownUserAgents extends Controller
+{
+    public function index($p_id = 0)
+    {
+        $model = new \App\Models\UnknownUserAgentsModel();
+
+        $data = [
+            'useragents' => $model->getUserAgents($p_id),
+        ];
+
+        $this->response->setContentType('application/json');
+        $this->response->setStatusCode(\CodeIgniter\HTTP\Response::HTTP_OK);
+
+        echo view('json/unknownuseragents', $data);
+    }
+}