feature(general): mailchimp api integration

[brennerthomas]

• Adding in shared the Event Handler --> can be used by all apps
• Adding a specific next.js api for Mailchimp inside the Website

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
public	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 12, 2024 10:50pm

[github-actions]

PR Preview Action v1.4.7
🚀 Deployed preview to https://socialincome-san.github.io/public/pr-preview/pr-747/
on branch gh-pages at 2024-03-12 22:41 UTC

[github-actions]

Visit the preview URL for this PR (updated for commit 725e173):

https://si-admin-staging--pr747-mailchimp-api-m1xsuyjd.web.app

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[mkue]

looks very good @brennerthomas!

i changed the api endpoints a bit to prevent a security issue so that users can only change their own mailchimp subscription.

also, i started with the integration in the frontend, but it's just dummy code yet. feel free to polish it if you want :)

the useUpdateMailchimpSubscription(), useCreateMailchimpSubscription() hooks take use of react-query, which is very handy if you want to refetch some data after an update has been made. if you have trouble understanding that code, i can explain it to you in person at some point :)

[mkue]

great stuff @brennerthomas 🙌🏼🙌🏼

[ssandino]

very nice @brennerthomas 🙌🏼🙌🏼