* save images as private and serve via signed url from images.info api
* download private images to directory on export
* fix lint errors
* private s3 default, AWS.s3 module level scope, default s3 url expiry
* combine regex to one, and only replace when there are matches
* fix lint
* code not needed anymore, remove
* updates after pulling master
* revert the uploadToS3FromUrl url return
* use model gettr to compact code, rename to attachments api
* basic checking of document read permission to allow attachment viewing
* fix: Continue to upload avatars as public
fix: Allow redirect for non-private attachments
* add support for publicly shared documents
* catch errors which crash the app during zip export and user creation
* add tests
* enable AWS signature v4 for s3
* switch to use factories to build models for testing
* add isDocker flag for local serving of attachment redirect url
* fix redirect tests
Co-authored-by: Tom Moor <tom.moor@gmail.com>
