Massive refactor of code into classes, improve security on the image/file upload handler. Clean up the init.php into a config.php and refactor everything else to work around it.

Resolves issues #13 #14 and #16

cms/src/NeoCMS/Logger.php

@@ -0,0 +1,46 @@
+<?php
+namespace NeoCMS;
+
+class Logger
+{
+    private $auditEnabled;
+    private $logsDir;
+
+    public function __construct($auditEnabled)
+    {
+        $this->auditEnabled = $auditEnabled;
+
+        $this->logsDir = __DIR__ . '/../../logs';
+        $this->logsDir = rtrim($this->logsDir, '/\\') . DIRECTORY_SEPARATOR;
+
+        // Ensure the logs directory exists
+        if (!is_dir($this->logsDir)) {
+            if (!mkdir($this->logsDir, 0755, true)) {
+                throw new \Exception('Failed to create logs directory: ' . $this->logsDir);
+            }
+        }
+    }
+
+    /**
+     * Write an entry to the log
+     * @param $message
+     * @param $user
+     * @return void
+     */
+    public function write($message, $user): void
+    {
+        if (!$this->auditEnabled) {
+            return;
+        }
+
+        $logFile = $this->logsDir . date('Y-m-d') . '-audit.txt';
+        $entry = sprintf(
+            "[%s]\tUser: %s\t%s\n",
+            date('Y-m-d H:i:s'),
+            $user,
+            trim($message)
+        );
+
+        file_put_contents($logFile, $entry, FILE_APPEND);
+    }
+}