Wiki for v1.4.7 — add Email Deliverability page
Update Home with full TOC for v1.4.6
Add full plugin documentation - Home (index with links to all pages) - Installation & Setup - White-Label Configuration - Google Calendar Setup - Payment Configuration - Notifications - Security - Developer Reference Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Initial Home page