Support multi send to

[vevedh]

Replace :
email: Joi.string().email()

by

email: Joi.string().email({
multiple: true,
}),

in packages\worker\src\api\routes\global\email.js

Result :

[melohagan]

Nice one! Does the email actually get sent to both users?

[vevedh]

Yes, sent to both users
FR:Oui il est bien envoyé, merci

[melohagan]

Brilliant! I'm sure a PR would be appreciated if you want to link it to this issue: #4385