feat(engine): improve setup agent

packages/forest_admin_rails/lib/forest_admin_rails/engine.rb

@@ -30,13 +30,14 @@ class Engine < ::Rails::Engine
     end
 
     def load_configuration
-      return unless File.exist?(Rails.root.join('config', 'forest_admin.rb'))
+      return unless File.exist?(Rails.root.join('lib', 'forest_admin_rails', 'create_agent.rb'))
 
       # force eager loading models
       Rails.application.eager_load!
 
-      require Rails.root.join('config', 'forest_admin.rb')
-      forest_admin_configuration
+      # setup agent
+      require Rails.root.join('lib', 'forest_admin_rails', 'create_agent.rb')
+      ForestAdminRails::CreateAgent.setup!
     end
 
     def load_cors

packages/forest_admin_rails/lib/generators/forest_admin_rails/install_generator.rb

@@ -8,7 +8,7 @@ def install
         @auth_secret = SecureRandom.hex(20)
         @env_secret = env_secret
         template 'initializers/config.rb', 'config/initializers/forest_admin_rails.rb'
-        template 'forest_admin.rb', 'config/forest_admin.rb'
+        template 'create_agent.rb', 'lib/forest_admin_rails/create_agent.rb'
         route "mount ForestAdminRails::Engine => '/#{ForestAdminRails.config[:prefix]}'"
       end
     end

packages/forest_admin_rails/lib/generators/forest_admin_rails/templates/create_agent.rb

@@ -0,0 +1,16 @@
+module ForestAdminRails
+  class CreateAgent
+    def self.setup!
+      database_configuration = Rails.configuration.database_configuration
+      datasource = ForestAdminDatasourceActiveRecord::Datasource.new(database_configuration[Rails.env])
+
+      @create_agent = ForestAdminAgent::Builder::AgentFactory.instance.add_datasource(datasource)
+      customize
+      @create_agent.build
+    end
+
+    def self.customize
+      # @create_agent.add_datasource....
+    end
+  end
+end