[EPIC] ISMS Security Documentation Suite for Wazuh Agent Status

## Overview
Create a standardized 8-page ISO/IEC 27001 Information Security Management System (ISMS) documentation suite for `wazuh-agent-status`. This documentation package covers system architecture, access control, deployment procedures, update strategies, monitoring, backup concepts, and a centralized Gap Register for Confluence and security audits.

## Task List / Sub-Pages

- [x] **Page 00: ISMS Homepage & Central Gap Register (`ISMS-WAS-00`)**
- [ ] **Page 01: Product Description (`ISMS-WAS-01`)**
- [ ] **Page 02: Architecture (`ISMS-WAS-02`)**
- [ ] **Page 03: Deployment & Change Management (`ISMS-WAS-03`)**
- [ ] **Page 04: Update & Patch Strategy (`ISMS-WAS-04`)**
- [ ] **Page 05: Backup Concept (`ISMS-WAS-05`)**
- [ ] **Page 06: Monitoring & Notification (`ISMS-WAS-06`)**
- [ ] **Page 07: Access Control Concept (`ISMS-WAS-07`)**

## Target Milestone
ISO/IEC 27001 Security Audit & Confluence Documentation Setup