This commit allows users to use the trix editor to send
messages with basic formatting and attachements.
* add active storage
* add actiontext
* add richtext field to messages
* add imageprocessing for message attachements
* add html email layout and adjust translations to use html urls
This commit introduces importmaps. They allow to use modern javacript ESM within rails without webpack, yarn etc.
see https://github.com/rails/importmap-rails for more details.
Co-authored-by: Philipp Rothmann <philipprothmann@posteo.de>
Co-authored-by: FGU <fgu@pragma-shift.net>