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>

config/goodbots.conf

@@ -0,0 +1,23 @@
+# Good/Legitimate bots - these are rate-limited but NOT blocked
+# Format: BotName|rate_per_minute
+# Lines starting with # are comments
+
+Googlebot|60
+Bingbot|60
+DuckDuckBot|60
+Baiduspider|30
+YandexBot|30
+Sogou|20
+Applebot|30
+facebot|30
+ia_archiver|20
+Twitterbot|30
+LinkedInBot|30
+Slurp|30
+MJ12bot|20
+AhrefsBot|10
+SemrushBot|10
+DotBot|20
+PetalBot|20
+Bytespider|20
+GPTBot|0