Initial commit — Rosary Presenter App

Full source for loveandrosary.com: slide-based Rosary/novena/Divine Mercy
Chaplet presentation tool with multi-user roles, SVG bead ring, audio uploads,
donate strip, and public session profiles.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

logout.php

@@ -0,0 +1,9 @@
+<?php
+if (session_status() === PHP_SESSION_NONE) {
+    session_start();
+}
+$_SESSION = [];
+session_destroy();
+require_once __DIR__ . '/config/db.php';
+header('Location: ' . BASE_URL . '/login');
+exit;