Feature/profile image uploads (#687)

* Introduce ActiveStorage

* Add active storage related service gems

* Update storage.yml

* Install image processing gem
- sudo apt-get install libvips (required dependency)

* Set default active storage service

* Add profile image to user model

* Amend form to allow profile images to be saved, introduce stimulus controller.

* Purge image when form is blank

* Update markup/stimulus controller

* Add test for profile image uplaods

* Add profile image validation

* Use rails guide gem versions

* Use correct ERB syntax and make all storage options configurable

* Ensure form submits when user clears profile image

* Add profile image thumbnail method

* Extract profile image to a partial

* Updates env.example and storage.yml

* Fix bug with double form save

* Add profile image to the sidenav

* Update production config

* Fix ERB formatting

* normalize en.yml

* Handle non-square images

* Use pre-processing on thumbnail variant

* Resovle gemfile.lock issues

* Rubocop style changes

---------

Signed-off-by: Christian <47796704+crobbo@users.noreply.github.com>
Co-authored-by: Christian Robinson <christian@robbo.dev>

config/environments/production.rb

@@ -31,7 +31,7 @@ Rails.application.configure do
   # config.action_dispatch.x_sendfile_header = "X-Accel-Redirect" # for NGINX
 
   # Store uploaded files on the local file system (see config/storage.yml for options).
-  config.active_storage.service = :local
+  config.active_storage.service = ENV.fetch("ACTIVE_STORAGE_SERVICE", "local").to_sym
 
   # Mount Action Cable outside main process or domain.
   # config.action_cable.mount_path = nil