feat: initial InformatiQ Toolkit plugin

Merges informatiq-wp-secure + informatiq-utils + HoneypotFields into
a single unified plugin with the following improvements:

- Fixed deactivation bug: all protection methods now guard themselves
  with their own option check so toggling off via AJAX takes effect
  immediately without any hook re-registration.
- Added rate-limiting for good/legitimate bots (Googlebot, Bingbot,
  DuckDuckBot, Yandex, etc.) via transient sliding-window counters;
  configurable per-bot limits in goodbots.conf (BotName|req/min);
  returns HTTP 429 with Retry-After: 60 when over limit.
- Unified MySQL-backed logging (itk_bot_log + itk_honeypot_log tables)
  replaces the old wp_options-based 100-entry cap.
- New Dashboard tab with terminal-style bot activity monitor: total
  blocked, today's count, rate-limited hits, top threat sources
  (bar chart), top IPs, top honeypot form types, active-module
  status panel.
- All optimizations from utils.php merged into Optimization tab as
  toggleable settings (was always-on before).
- Single admin page (Settings → InformatiQ Toolkit) with 8 tabs:
  Dashboard | Bot Blocker | Protection | Optimization | Honeypot |
  Bot Logs | Honeypot Logs | Config Files.
- Config file editor for badbots.conf, goodbots.conf, referrers.conf,
  networks.conf, allowed-ips.conf with AJAX save and transient flush.

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

uninstall.php

@@ -0,0 +1,20 @@
+<?php
+if (!defined('WP_UNINSTALL_PLUGIN')) exit;
+
+// Remove all plugin options
+delete_option('itk_security');
+delete_option('itk_optimization');
+delete_option('itk_honeypot');
+delete_option('itk_hp_secret');
+delete_option('itk_db_version');
+
+// Remove transients
+delete_transient('itk_bots_list');
+delete_transient('itk_referrers_list');
+delete_transient('itk_networks_list');
+delete_transient('itk_goodbots_list');
+
+// Drop database tables
+global $wpdb;
+$wpdb->query("DROP TABLE IF EXISTS {$wpdb->prefix}itk_bot_log");
+$wpdb->query("DROP TABLE IF EXISTS {$wpdb->prefix}itk_honeypot_log");