feat: allow users to subscribe and unsubscribe to email notifications (#2060)

* feat: allow users to subscribe and unsubscribe to email notifications

* refactor: curate get setting endpoint

* refactor: rename to marketing emails subscribed at

* refactor: fix patch member return value

* refactor: fix types

* refactor: fix test

* refactor: apply PR requested changes

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Co-authored-by: kim <kim.phanhoang@epfl.ch>

Author: pyphilia

src/drizzle/0018_member-marketing-subscribed-at.sql

@@ -0,0 +1,3 @@
+DROP VIEW "public"."members_view";--> statement-breakpoint
+ALTER TABLE "account" ADD COLUMN "marketing_emails_subscribed_at" timestamp with time zone DEFAULT now();--> statement-breakpoint
+CREATE VIEW "public"."members_view" AS (select "id", "name", "email", "extra", "type", "created_at", "updated_at", "user_agreements_date", "enable_save_actions", "last_authenticated_at", "is_validated", "marketing_emails_subscribed_at" from "account" where ("account"."type" = 'individual' and "account"."email" is not null));