[Feat] Newsletter in footer (frontend + backend)

[17arindam]

Is there an existing issue for this?

• [X] I have searched the existing issues

Feature Description

i want to add a newletter where the registered mail will be saved to newsletter collection and a generated mail thanking for subscribing to newsletter will be sent the registered mail

Use Case

• will be able to publish new changes and updates through newsletter

Benefits

it will make mediconnect more interactive with user as the user will receive updates on mail

Priority

High

Record

• [X] I agree to follow this project's Code of Conduct
• [X] I'm a GSSOC contributor
• [X] I want to work on this issue
• [X] I'm willing to provide further clarification or assistance if needed.

[17arindam]

@Luson045 please review my issue

[Luson045]

@17arindam okay 👍🏻