Add comprehensive theme rules and update authentication UI

- Create complete design system with color palette, typography, and component rules
- Update authentication pages with consistent styling
- Add footer component for better layout structure
- Remove deprecated architecture documentation

💘 Generated with Crush
Co-Authored-By: 💘 Crush <crush@charm.land>

config/routes.rb

@@ -15,7 +15,7 @@ Rails.application.routes.draw do
   # Routes for devise authentication Gem
   # Bind devise to user
   # devise_for :users
-  devise_for :users, path: "authentications", path_names: {
+  devise_for :users, path: "auth", path_names: {
     sign_up: "register",          # Route for user registration
     sign_in: "login",             # Route for user login
     sign_out: "logout",           # Route for user logout