CodePress CMS v1.8.0: BotGuard security engine, HAProxy docs & ARIA fix

- Implement BotGuard security engine (Bot, AI, Scraper & Empty UA blocking)
- Add Admin Security page (/admin/security) with toggles, rate limiter & block/allowlists
- Add per-IP RateLimiter handoff in index.php with HTTP 429 response
- Add dynamic /robots.txt generation and noai/noimageai meta tags
- Add RequestLogger status column and blocked badges in admin request logs
- Fix ARIAComponents.php syntax errors on lines 67, 137, 262
- Add HAProxy / PFSense bot blocking & IP forwarding guide (docs/haproxy-bot-blocking.md)
- Update version to 1.8.0 with release notes in version.php and guides

config.json.example

@@ -28,5 +28,17 @@
         "auto_link_pages": true,
         "search_enabled": true,
         "breadcrumbs_enabled": true
+    },
+    "security": {
+        "block_ai_bots": true,
+        "block_scrapers": true,
+        "block_search_engines": false,
+        "block_empty_user_agent": true,
+        "rate_limit_enabled": true,
+        "rate_limit_max": 60,
+        "rate_limit_window": 60,
+        "custom_blocked_agents": [],
+        "blocked_ips": [],
+        "allowed_ips": []
     }
 }