Basic history display for eedirekt users

app/controllers/client/contact_versions_controller.rb

@@ -0,0 +1,19 @@
+class Client::ContactVersionsController < ClientController
+  before_action :set_version, only: [:show]
+
+  def index
+    @versions = ContactVersion.registrar_events(current_user.registrar.id)
+    @versions.flatten!
+  end
+
+  def show
+    @event = params[:event]
+    @contact = @version.reify(has_one: true) unless @event == 'create'
+  end
+
+  private
+
+  def set_version
+    @version = ContactVersion.find(params[:id])
+  end
+end