Separate root routes for un- and authenticated users

Closes #34
Closes #47

app/controllers/application_controller.rb

@@ -31,18 +31,6 @@ class ApplicationController < ActionController::Base
     session[:revert_to_id].present?
   end
 
-  def after_sign_in_path_for(scope)
-    if current_user.at_least(:admin)
-      users_path
-    else
-      edit_user_registration_path
-    end
-  end
-
-  def after_sign_out_path_for(scope)
-    new_user_session_path
-  end
-
   class << self
     attr_reader :navigation_menu_tab
     def navigation_tab(name)

config/routes.rb

@@ -18,9 +18,12 @@ Rails.application.routes.draw do
     collection { get :revert }
   end
 
-  devise_scope :user do
-    root to: "devise/sessions#new"
+  unauthenticated do
+    as :user do
+      root to: 'devise/sessions#new'
+    end
   end
+  root to: 'units#index', as: :user_root
 
   direct(:source_code) { "https://gitea.michalczyk.pro/fixin.me/fixin.me" }
   direct(:issue_tracker) { "https://gitea.michalczyk.pro/fixin.me/fixin.me/issues" }