Add comprehensive developer documentation wiki 19 pages covering architecture, core systems, APIs, security, frontend, and development guide for the OpenWP WordPress AI agent plugin. Pages: Home, Architecture Overview, Boot Sequence, Action System, Agent Engine, Memory System, REST API Reference, MCP Server, Abilities API, LLM Providers, Security Model, Database Schema, Backup & Restore, Frontend Architecture, Editor Block, Settings & Configuration, Contributing, Sidebar, Footer.