Onboarding Service Provider Application Implementation

#### Summary:
This feature involves creating a new product, the Onboarding Service Provider (OSP) Application, which will facilitate the registration services for OSPs. The implementation will require setting up a new repository that houses both the frontend and backend components of the application. Additionally, a Helm Chart will be created for deployment purposes.

#### Objectives:
- To set up a new repository for the OSP Application
- To develop a frontend application that utilizes the shared-component-library
- To create a backend service that supports registration functionalities
- To ensure the frontend has a standard integration with Keycloak for authentication
- To allow easy switching to alternative Identity Providers (IdPs) for consumers
- To provide a seeding file for data migration

#### Illustration (Architecture)

#### Acceptance Criteria:
1. **Repository Setup:**
- A new Git repository is created with appropriate access controls.
- The repository should include separate directories for frontend and backend code.

2. **Frontend Application:**
- The frontend application must be developed using the shared-component-library for UI consistency.
- It should have a standard configuration to integrate with Keycloak for user authentication.
- The application must allow for easy configuration changes to connect to alternative IdPs.

3. **Backend Service:**
- The backend service must provide APIs for registration services.
- It should support CRUD operations for OSP data management.
- The backend must be secure and scalable.

4. **Helm Chart:**
- A Helm Chart must be created for the application deployment on Kubernetes.
- The chart should include configurations for both frontend and backend services.

5. **Authentication Flexibility:**
- The application's authentication mechanism must be designed to be flexible.
- Documentation must be provided on how to switch between Keycloak and other IdPs.

6. **Data Migration:**
- A seeding file must be created to facilitate initial data migration.
- The seeding process must be documented and easily executable.

#### Non-Functional Requirements:
- The application should be scalable to handle a growing number of OSPs.
- Ensure high availability and fault tolerance of the service.
- The application must follow best security practices, especially in handling authentication and user data.

#### Dependencies:
- Access to the shared-component-library repository.
- Availability of a Keycloak instance for authentication integration.
- Availability of alternative IdP services for testing the flexibility of the authentication mechanism.

#### Risks:
- Delays in the availability of the shared-component-library may impact frontend development.
- Integration complexities with Keycloak or other IdPs may extend the timeline.

#### Documentation:
- A README file in the repository detailing the setup and local development instructions.
- An architectural diagram of the frontend and backend integration.
- Arc42 documentation
- A guide on how to switch the authentication services for the frontend.

#### Stakeholders:
- Onboarding Service Providers
- CSP-B's
- CSP-A's

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