US25: Add Invoice Details

[rstan-dev]

As an Owner or Assigned person of a Job Card, I can add invoice details to a job card so that a financial record can be maintained

Acceptance criteria

1. Given that I am the owner of a job - I will see the Add Invoice Details Button in the Job Card
2. Given that I am the Assigned user of a job - I will see the Add Invoice Details Button in the Job Card
3. Given that I am a logged in user, I can see placeholder information if no invoice details have been entered yet

Tasks

• Create Invoices model and serilaizer
• Create URLS path
• Add to Admin
• Create View with filter queryset
• Create AddInvoices Component
• Add and link button to AddInvoice page from Job Card
• Create handleSubmit and post invoice linked to a job to api

Story Points = 2

Modify Jobs and Comments Model in drf_api

[rstan-dev]

Ensure validation for customer email and phone number