Removed AdminLTE, some minor improvements

Core/API/TestRedis.class.php

@@ -0,0 +1,36 @@
+<?php
+      
+namespace Core\API;
+
+use Core\Objects\Context;
+use Core\Objects\DatabaseEntity\Group;
+
+class TestRedis extends Request {
+
+  public function __construct(Context $context, bool $externalCall = false) {
+    parent::__construct($context, $externalCall, []);
+  }
+   
+  protected function _execute(): bool {
+
+    $settings = $this->context->getSettings();
+    if (!$settings->isRateLimitingEnabled()) {
+      return $this->createError("Rate Limiting is currently disabled");
+    }
+
+    $connection = $this->context->getRedis();
+    if ($connection === null || !$connection->isConnected()) {
+      return $this->createError("Redis connection failed");
+    }
+
+    return $this->success;
+  }
+
+  public static function getDescription(): string {
+    return "Allows users to test the redis connection with the configured credentials.";
+  }
+
+  public static function getDefaultPermittedGroups(): array {
+    return [Group::ADMIN];
+  }
+}