[comp datarouter] Implementation completion

[arsibo]

What

Complete the Implementation (wp__sw_implementation) for the component datarouter: formalize existing design files in logging/score/datarouter/doc/design/ with document:: and :realizes: wp__sw_implementation. The implementation includes source code, detailed design, and SW configuration.

How

Process step: wf__sw_detailed_design
Existing artifact: [datarouter/doc/design/](datarouter/doc/design/)

Definition of Done

All criteria of the Implementation Checklist are met.

Template & Folder Structure

• Template: Detailed Design Template
• Folder: score/<component>/docs/detailed_design/ – see Module Folder Structure

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