Add simple authentication

raspap.php

@@ -0,0 +1,14 @@
+<?php
+
+$config = array(
+  'admin_user' => 'admin',
+  'admin_pass' => '$2y$10$YKIyWAmnQLtiJAy6QgHQ.eCpY4m.HCEbiHaTgN6.acNC6bDElzt.i'
+);
+
+if ( $auth_details = fopen(RASPI_CONFIG.'/raspap.auth', 'r') ) {
+  $config['admin_user'] = trim(fgets($auth_details));
+  $config['admin_pass'] = trim(fgets($auth_details));
+  fclose($auth_details);
+}
+
+?>