update #9 and #6

> This example will demonstrate the flexibility and capabilities of Kubernetes operators in managing custom resources and automating operational tasks.

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## Offering "Calculator as a Service" through OpenSlice

    - Support for Kubernetes:

      - Introduction: ./service_design/kubernetes/intro.md

      - Exposing Kubernetes Resources: ./service_design/kubernetes/ExposingKubernetesResources.md

      - Design Helm aaService: ./service_design/kubernetes/design_helmaas.md

      - Design Helm aaService: ./service_design/kubernetes/helm/HELM_Installation_aaS_Jenkins_Example.md

    - Support for NFV:

      - Design NFV Services: ./service_design/nfv/design_nfv_services.md

    - LCM Rules:

    - Service Specification Examples: 

      - Open5GS (NFV approach): ./service_design/examples/open5gs_nfv.md

      - Open5GS (Kubernetes approach): ./service_design/examples/open5gs_kubernetes.md

      - Exposing CRDs_aaS_Example_Calculator: ./service_design/examples/ExposingCRDs_aaS_Example_Calculator.md

      - Exposing CRDs_aaS_Example_Calculator: ./service_design/examples/ExposingCRDs_aaS_Example_Calculator/ExposingCRDs_aaS_Example_Calculator.md

      - HELM Installation aaS Jenkins Example: ./service_design/examples/HELM_Installation_aaS_Jenkins_Example.md

  - Service Ordering:

    - Ordering Services from catalogs: ./service_ordering/ordering_services.md

      - Architecture: ./architecture/architecture.md

      - Cloud native support: 

        - Introduction: ./architecture/CRIDGE_cloud_native_intro.md

        - CRIDGE for Developers: ./architecture/CRIDGEforDevelopers.md

        - CRIDGE for Developers: ./architecture/CRIDGEforDevelopers/CRIDGEforDevelopers.md

      - Message bus: ./architecture/messagebus.md

      - OSOM: ./architecture/osom.md

      - Authentication: ./architecture/oauth.md