add api

app/assets/stylesheets/messages.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the Messages controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: https://sass-lang.com/

app/controllers/messages_controller.rb

@@ -0,0 +1,13 @@
+class MessagesController < ApplicationController
+  skip_before_action :verify_authenticity_token
+
+
+  def create
+    @message = Message.create(message_params)
+  end
+
+  private
+  def message_params
+    params.permit(:title, :phone, :description, :email)
+  end
+end

app/helpers/messages_helper.rb

@@ -0,0 +1,2 @@
+module MessagesHelper
+end

config/routes.rb

@@ -1,5 +1,6 @@
 Rails.application.routes.draw do
   devise_for :admin_users, ActiveAdmin::Devise.config
   ActiveAdmin.routes(self)
+  resources :messages, controller: 'messages'
   # For details on the DSL available within this file, see https://guides.rubyonrails.org/routing.html
 end

test/controllers/messages_controller_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class MessagesControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end