feat: add submit artwork addional documents screen

[MounirDhahri]

This PR resolves ONYX-1122

Description

This PR adds Artwork Additional Documents screen to the submission flow	Test case	HeaderVideo
User Can manage new/old uploaded documents
Validation

PR Checklist

• [x] I have tested my changes on iOS and Android.
• [x] I hid my changes behind a feature flag, or they don't need one.
• [x] I have included screenshots or videos, or I have not changed the UI.
• [x] I have added tests, or my changes don't require any.
• [x] I added an app state migration, or my changes do not require one.
• [x] I have documented any follow-up work that this PR will require, or it does not require any.
• [x] I have added a changelog entry below, or my changes do not require one.

To the reviewers 👀

• [ ] I would like at least one of the reviewers to run this PR on the simulator or device.

Changelog updates

### Changelog updates #### Cross-platform user-facing changes - add artwork additional documents screen to SWA flow - mounir #### iOS user-facing changes - #### Android user-facing changes - #### Dev changes -

Need help with something? Have a look at our docs, or get in touch with us.

[ArtsyOpenSource]

This PR contains the following changes:

• Cross-platform user-facing changes (add artwork additional documents screen to SWA flow - mounir)

  Generated by :no_entry_sign: dangerJS against 8d02349a5805672217d5bc93bbdbf6cf2d014803