Prompt for the InvoiceApp

Please create a React-JS application for the InvoiceModule. The application  has to offer the following views for the user interface: 
    1. ContactMessageView 
    2. InvoiceView 
    3. InvoiceItemView 
The views have to be reachable for the user via a menu list at the left side of each view. The requirements for the 3 views are defined below.

1. The ContactMessageView must contain the following fields: 
    - name: CreatedAt   type: DATE 
    - name: Customer   type: Customer 
    - name: Email   type: STRING 
    - name: MessageText   type: STRING 
    - name: Name   type: STRING 
    - name: Phone   type: STRING 
    - name: SourcePage   type: STRING 
    - name: Status   type: STRING 
    - name: Subject   type: STRING 
The data source for the [Customer] select control should be loaded from the relative URL: 
    "/CustomerService/customer"   (HTTP-GET) 
An existing ContactMessage entity should be loaded from the relative URL: 
    "/InvoiceService/contactmessage/{id}"   (HTTP-GET) 
If a new ContactMessage entity has been created, the new entity should be posted to the relative URL: 
    "/InvoiceService/contactmessage"   (HTTP-POST) 
If an existing ContactMessage entity has been updated, the modified entity should be sent to the relative URL: 
    "/InvoiceService/contactmessage/{id}"   (HTTP-PUT) 
If an existing ContactMessage entity has to be deleted, the following relative URL should be called: 
    "/InvoiceService/contactmessage/{id}"   (HTTP-DELETE)

2. The InvoiceView must contain the following fields: 
    - name: CreatedAt   type: DATE 
    - name: Customer   type: Customer 
    - name: DueDate   type: DATE 
    - name: InvoiceDate   type: DATE 
    - name: InvoiceNumber   type: STRING 
    - name: Status   type: STRING 
    - name: TaxAmount   type: STRING 
    - name: TotalGross   type: STRING 
    - name: TotalNet   type: STRING 
The data source for the [Customer] select control should be loaded from the relative URL: 
    "/CustomerService/customer"   (HTTP-GET) 
An existing Invoice entity should be loaded from the relative URL: 
    "/InvoiceService/invoice/{id}"   (HTTP-GET) 
If a new Invoice entity has been created, the new entity should be posted to the relative URL: 
    "/InvoiceService/invoice"   (HTTP-POST) 
If an existing Invoice entity has been updated, the modified entity should be sent to the relative URL: 
    "/InvoiceService/invoice/{id}"   (HTTP-PUT) 
If an existing Invoice entity has to be deleted, the following relative URL should be called: 
    "/InvoiceService/invoice/{id}"   (HTTP-DELETE) 
Add a HTML table to the view with the following InvoiceItem columns: 
    - column: UnitPrice 
    - column: TotalGross 
    - column: Invoice 
    - column: TaxRate 
    - column: Description 
    - column: Quantity 
    - column: SourceKey 
    - column: SourceType 
The table should have the title "InvoiceItems" und the data must be loaded from the server with the following relative URL: 
    "/InvoiceService/invoiceitem/invoice/{id}"

3. The InvoiceItemView must contain the following fields: 
    - name: Description   type: STRING 
    - name: Invoice   type: Invoice 
    - name: Quantity   type: STRING 
    - name: SourceKey   type: LONG 
    - name: SourceType   type: STRING 
    - name: TaxRate   type: STRING 
    - name: TotalGross   type: STRING 
    - name: UnitPrice   type: STRING 
The data source for the [Invoice] select control should be loaded from the relative URL: 
    "/InvoiceService/invoice"   (HTTP-GET) 
An existing InvoiceItem entity should be loaded from the relative URL: 
    "/InvoiceService/invoiceitem/{id}"   (HTTP-GET) 
If a new InvoiceItem entity has been created, the new entity should be posted to the relative URL: 
    "/InvoiceService/invoiceitem"   (HTTP-POST) 
If an existing InvoiceItem entity has been updated, the modified entity should be sent to the relative URL: 
    "/InvoiceService/invoiceitem/{id}"   (HTTP-PUT) 
If an existing InvoiceItem entity has to be deleted, the following relative URL should be called: 
    "/InvoiceService/invoiceitem/{id}"   (HTTP-DELETE)