FEATURE: make settings accessible only using helper class/function

app/Helpers/functions.php

@@ -11,4 +11,16 @@
 function e($value)
 {
     return htmlspecialchars($value, ENT_QUOTES, 'UTF-8');
+}
+
+/**
+ * Shortcut for \App\Helpers\Settings::get()
+ *
+ * @param      $key
+ * @param null $default
+ *
+ * @return null|string
+ */
+function setting($key, $default = null) {
+    return \App\Helpers\Settings::get($key, $default);
 }