Create General App Options in Shopify admin

[ricardobrg]

As a developer, I want to create a frontend admin area for the Shopify store, so users can easily configure various settings for offers and discounts.

Description

As part of the project, we need to create a frontend admin area that allows administrators to configure different settings related to offers and discounts. The frontend admin area should use Polaris and App Bridge as described in [Shopify docs] (https://shopify.dev/docs/apps/tools/app-bridge)

Acceptance Criteria

1. The frontend admin area should be built using App Bridge and Polaris, following best practices and design guidelines.
2. There should be a section to configure the "Discount" settings. This setting determines how the discount function will work.
3. Administrators should be able to provide the following data for the offer:
   • A brief "Description" for the offer or discount, explaining its purpose or details.
   • An "Offer Image" that visually represents the offer or discount (with an upload option).
   • 3 "Offer Use Case," which describes the context or scenario in which the offer or discount can be applied (bullets).
   • The "Offer Terms" by uploading an asset file or providing an URL.
4. All the configuration options should be saved in metafields.

Tasks

• [ ] Set up an App Bridge and Polaris development environment.
• [ ] Design and implement the frontend admin area using App Bridge and Polaris components.
• [ ] Implement the form fields and sections for the different settings mentioned in the acceptance criteria.
• [ ] Integrate the frontend admin area with the metafields to store and retrieve the configured settings.

[ricardobrg]

The app will not have admin area anymore.