Feat/dse 70 de internal organisation

[jhubinon]

In PRP folder you'll find:

• openhexa_pipeline_product_requirement_guideline.md : guideline on how to write a product requirement for manual creation of pipelines or gen AI (with optional steps)
• claude_pipeline_procedure_for_DS_team.md: procedure to create pipelines with gen AI tool like Claude
• template/DHIS2_base.md: prompt generator for an AI agent to create the pipeline and the whole setup for you based on the product_requirement.
• dhis2_event_tracker.md: PR for dhis2_event_tracker -> TO BE UPDATED to what Leyre built. This was a test where I nearly specified nothing and wanted to see how well the AI agent can handle it. See code or README.md to see that.
• dhis2_to_dhis2_data_elements_prp.md: PR for D2D (only data elements)
• sync_dhis2_to_dhis2_prp.md: PR for a not planned pipeline (used for testing AI agent and prompt template) about: Is there any new/updated values since a given date in a DHIS2 instance.

For now, mostly review: openhexa_pipeline_product_requirement_guideline.md

[yannforget]

5k lines is a lot to review, I don't think I'll be able to. I think the initiative deserves to live in its own repository and is out of scope for what we are trying to do in this repo. @jhubinon if we want to move forward with this I think velocity will be better if you create a new repo. What do you think?