feat(eliza): add new users to newsletter (beehiiv)

[victorgaard]

Why?

• Adds new signed up users to our newsletter provider (Beehiiv)
• Provide a modal to consent to being subscribed to the newsletter. For wallet users, we display an input to add the email address.

Email flow:

email.flow.mov

Wallet flow:

wallet.flow.mov

How?

• Done A (replace with a breakdown of the steps)
• Done B
• Done C

Tickets?

• Ticket 1
• Ticket 2
• Ticket 3

Contribution checklist?

• The commit messages are detailed
• The build command runs locally
• Assets or static content are linked and stored in the project
• Document filename is named after the slug
• You've reviewed spelling using a grammar checker
• For documentation, guides or references, you've tested the commands and steps
• You've done enough research before writing

Security checklist?

• Sensitive data has been identified and is being protected properly
• Injection has been prevented (parameterized queries, no eval or system calls)
• The Components are escaping output (to prevent XSS)

References?

Optionally, provide references such as links

Preview?

Optionally, provide the preview url here

[changeset-bot]

⚠️ No Changeset found

Latest commit: 701fdbc

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[heldrida]

The user should be given control to decide interest in subscribing to newsletter. At the moment its automatically subscribed.