[onboarding]: Enhanced Admin Onboarding UI

[cesrjimenez]

Summary

This PR overhauls our current Admin Onboarding UI, introducing a more streamlined and intuitive experience for our users.

Changes

1. License Key Modal:

• Introduced a modal prompt for admins to enter their license key.
• The system verifies the authenticity of the key.
• Errors are displayed prominently if an invalid key is entered.

2. UI Update & Navigation:

• On entering a valid license key, the UI is refreshed to display the Site Configuration Page.

3. Onboarding Checklist Button:

• Introduced a 'Setup' button which provides admins with a comprehensive list of steps for complete onboarding.
• As admins go through the checklist, completing each task, items are automatically checked off.
• Each checklist item is linked to its corresponding section in the Site Configuration JSON.

4. Documentation Linking:

• For steps related to SMTP setup and user authentication, direct links to their respective documentation are provided to guide the admin.

Test plan

• Manual tests have been carried out in various environments to ensure the UI behaves as expected.

Notes:

Your feedback is crucial to ensuring that this updated Admin Onboarding UI meets our high standards and provides admins with the best possible onboarding experience.

Please review the changes and provide any necessary feedback. Once the pending work is completed and this PR is merged, it will significantly improve the initial setup experience for our administrators.

Screenshots

Modal 💅

Modal Error Message 🔴

Modal Success 🟢

Checklist Dropdown ✅

[valerybugakov]

Passing-by comments since we've been debugging E2E tests together.

[sourcegraph-bot]

📖 Storybook live preview