Update Chapter Service Provider

👉 Edit here
👉 Review here

---

We want to bundle all information that is relevant for service providers. So, we move information from hifis.net/provider to hifis.net/doc.

I started with 2 additional pages as a next step. Further steps may follow.

---

• Chapters along the Portfolio Processes (In order to keep it simple, not naming but link to them.)
  • Add subtitle Onboarding; Getting started is nice to repeat but precicly the meaning of the chapter
• Resource Management
  • Current Services in Service Portfolio -> Plony
  • Operation
    • Announcing Downtimes
    • Change Request and Review
  • Offboarding -> postponed
• Redirection of https://www.hifis.net/services/cloud/provider.html

Next ideas:

• Chapter for Data Protection (officers)
• add page Request for Service to the user chapter
• add page Request for xy.helmholtz.cloud subdomains