[feature logging] Module Security Manual creation

## What

Create the Module Security Manual (`wp__module_security_manual`) for the logging module. The manual describes the security concept, Assumptions of Use, reactions under threatened operating conditions, and known vulnerabilities.

## How

**Process step:** [wf__cr_mt_security_manual](https://eclipse-score.github.io/process_description/main/process_areas/security_management/security_management_workflow.html#wf__cr_mt_security_manual)

## Definition of Done

All criteria of the [Security Plan Checklist](https://eclipse-score.github.io/process_description/main/process_areas/security_management/guidance/checklist_security_plan.html) are met.

## Template & Folder Structure

- **Template:** [Security Manual Template](https://eclipse-score.github.io/module_template/main/docs/manuals/security_manual.html)
- **Folder:** `docs/manuals/` – see [Module Folder Structure](https://eclipse-score.github.io/module_template/main/index.html#module-layout)

*Please apply the linked template and folder structure to ensure consistency across the S-CORE project.*