enable html in email

WEBROOT/modules/Mail.php

@@ -29,9 +29,12 @@ function sendMail($subject, $message, $url, bool $log, $to = "bruno.eckhardt07@g
 function errorMail($title, $error, bool $log)
 {
     $headers = "From: bruno.eckhardt07@gmail.com\r\n";
+    $headers .= "MIME-Version: 1.0\r\n";
+    $headers .= "Content-Type: text/html; charset=UTF-8\r\n";
+
     mail(
         "bruno.eckhardt07@gmail.com",
-        "ERROR: $title",
+        "[ERROR] $title",
         $error,
         $headers,
     );
@@ -40,9 +43,9 @@ function errorMail($title, $error, bool $log)
             "Mailing",
             "DATUM, SUBJECT, MESSAGE, URL, CLIENT_IP",
             (new getSpecificData())->getRequestTime(),
-            "ERROR: $title",
+            "[ERROR] $title",
             $error,
             (new getSpecificData())->getClientIP(),
         );
     }
-}
+}