Description

This pull request introduces a new feature that allows users to subscribe to a newsletter for updates. The implementation includes a simple subscription form that collects the user's name and email address. The form is integrated with Mailchimp, SendGrid, or Firebase to manage the subscription list. Upon successful subscription, a success message is displayed to the user. This feature aims to increase user engagement by providing a way to receive regular updates.

Fixes #120

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Motivation and Context

This feature is motivated by the need to enhance user engagement and provide a way for users to stay updated with the latest news and information. By allowing users to subscribe to a newsletter, we can keep them informed and connected to our platform.

Test Configuration:

• Firmware version: N/A
• Hardware: N/A
• Toolchain: N/A
• SDK: N/A

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules