Initial commit: RSS feed dashboard aggregating YouTube, Reddit and RT

- PHP 8 + PDO SQLite cache with on-demand TTL refresh and dedup by link hash
- laminas-feed + Guzzle for RSS/Atom parsing and HTTP
- Bootstrap 5 UI with source and time-range filters, AJAX load-more
- User cron-free deployment under Apache/php-fpm; .htaccess hardening

config/app.php

@@ -0,0 +1,38 @@
+<?php
+
+return [
+    // SQLite database location (kept outside the web root).
+    'db_path' => dirname(__DIR__) . '/data/feeds.sqlite',
+
+    // Seconds before a feed is considered stale and re-fetched on demand.
+    'cache_ttl' => 1800,
+
+    // Shorter retry interval for feeds whose last fetch failed (e.g. rate limited).
+    'error_retry_ttl' => 120,
+
+    // Minimum milliseconds between requests to the same host.
+    'host_interval_ms' => 1000,
+
+    // Hosts with aggressive rate limits: only fetch this many of their feeds per refresh.
+    'throttled_hosts' => ['www.reddit.com'],
+    'throttled_host_max_per_refresh' => 1,
+
+    // Number of items per page.
+    'page_size' => 20,
+
+    // Time-range filters (key => window length in seconds), shown newest-first.
+    'ranges' => [
+        '1h' => 3600,
+        '2h' => 7200,
+        '6h' => 21600,
+        '24h' => 86400,
+        '7d' => 604800,
+    ],
+
+    // HTTP client settings.
+    'request_timeout' => 15,
+    'connect_timeout' => 10,
+
+    // Identify the client to feed providers (important for Reddit).
+    'user_agent' => 'RSSFeed/1.0 (+https://localhost; contact: admin@localhost)',
+];