Prompt for the VertragsleistungView

Please create a React-JS view called "VertragsleistungView" for the fields of the Vertragsleistung entity. The VertragsleistungView must contain the following fields: 
    - name: IstVerpflichtend   type: BOOL 
    - name: Leistung   type: Leistung 
    - name: Vertrag   type: Vertrag 
The data source for the [Vertrag] select control should be loaded from the relative URL: 
    "/TraegerorganisationService/vertrag"   (HTTP-GET) 
The data source for the [Leistung] select control should be loaded from the relative URL: 
    "/LeistungService/leistung"   (HTTP-GET) 
An existing Vertragsleistung entity should be loaded from the relative URL: 
    "/LeistungService/vertragsleistung/{id}"   (HTTP-GET) 
If a new Vertragsleistung entity has been created, the new entity should be posted to the relative URL: 
    "/LeistungService/vertragsleistung"   (HTTP-POST) 
If an existing Vertragsleistung entity has been updated, the modified entity should be sent to the relative URL: 
    "/LeistungService/vertragsleistung/{id}"   (HTTP-PUT) 
If an existing Vertragsleistung entity has to be deleted, the following relative URL should be called: 
    "/LeistungService/vertragsleistung/{id}"   (HTTP-DELETE)

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