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>

test/system/settings_test.rb

@@ -61,6 +61,18 @@ class SettingsTest < ApplicationSystemTestCase
     # TODO: Implement test for back navigation and escape key functionality.
   end
 
+  test "can upload profile image" do
+    open_settings_from_sidebar
+
+    label = find("label", text: "Choose")
+
+    attach_file(label["for"], Rails.root.join("test/fixtures/files/profile_image.png"), make_visible: true)
+
+    click_button "Save"
+
+    assert_selector("img[src*='profile_image.png']")
+  end
+
   private
     def open_settings_from_sidebar
       find("#user-menu").click