Introduces a new AI app that lets users chat with an AI agent to request actions in Odoo, such as planning meetings. The feature adds configurable agent topics and actions, document processing for better responses, and background processing to prepare AI knowledge from business documents.

## Purpose

We want to allow the user to ask an AI operator (agent) to perform operations on their database (i.e. planning a meeting) by chatting with it. 

task id: 4526285