* Feat: Add unsub oneclick to the base transactional email template
* Format
* Removed unused
* Format
Co-authored-by: Adrià Casajús <adria.casajus@proton.ch>
* admin can manage newsletter and test sending it
* add comments
* comment
* doc
* not userID not specified, send the newsletter to current user
* automatically match textarea height to content when editing newsletter
* increase text height and limit img size to 100% in email template
* admin can send newsletter to a specific address