refactor: ⚡ Modal layout and turbolinks optimization

Reload with turbolinks, error messages, confirm password validation

Login and Signup modals

app/controllers/users_controller.rb

@@ -2,12 +2,16 @@
 
 class UsersController < ApplicationController
   def create
+    if user_params[:password] != params[:user][:confirm_password]
+      return render json: { password: ['Password not match with Confirm Password'] }, status: :bad_request
+    end
+
     @user = User.create(user_params)
     if @user.errors.any?
       render json: @user.errors, status: :unprocessable_entity
     else
       session[:user_id] = @user.id
-      redirect_to '/'
+      render json: nil, status: :ok
     end
   end