Add rudimentary logger

[MAILPOET-570]

lib/Logging/LogHandler.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace MailPoet\Logging;
+
+use MailPoet\Dependencies\Monolog\Handler\AbstractProcessingHandler;
+use MailPoet\Models\Log;
+
+class LogHandler extends AbstractProcessingHandler {
+
+
+  protected function write(array $record) {
+    $model = Log::create();
+    $model->hydrate([
+      'name' => $record['channel'],
+      'level' => $record['level'],
+      'message' => $record['formatted'],
+      'created_at' => $record['datetime']->format('Y-m-d H:i:s'),
+    ]);
+    $model->save();
+  }
+
+}