[feature logging] Feature DFA creation

## What

Create the Feature DFA (`wp__feature_dfa`) for the feature logging. The DFA analyzes dependent failures at feature level, including interactions between safety-related and non-safety-related components with different ASIL.

## How

**Process step:** [wf__analyse_featarch](https://eclipse-score.github.io/process_description/main/process_areas/safety_analysis/safety_analysis_workflow.html#wf__analyse_featarch)

## Definition of Done

All criteria of the [Safety Analysis Checklist](https://eclipse-score.github.io/process_description/main/process_areas/safety_analysis/guidance/safety_analysis_checklist.html) are met.

## Template & Folder Structure

- **Template:** [Feature DFA Template](https://eclipse-score.github.io/module_template/main/docs/features/feature_example/safety_analysis/dfa.html)
- **Folder:** `docs/features/logging/safety_analysis/` – 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.*