```ruby
require 'rails/generators'
require 'rails/generators/migration'
require 'active_record'
require 'rails/generators/active_record'

module SamplePlugin
  module Generators
    class InstallGenerator < Rails::Generators::Base
      include Rails::Generators::Migration

      source_root File.expand_path("../templates", __FILE__)

      # Implement the required interface for Rails::Generators::Migration.
      def self.next_migration_number(dirname) #:nodoc:
        next_migration_number = current_migration_number(dirname) + 1
        if ActiveRecord::Base.timestamped_migrations
          [Time.now.utc.strftime("%Y%m%d%H%M%S"), "%.14d" % next_migration_number].max
        else
          "%.3d" % next_migration_number
        end
      end

      def copy_migration
        migration_template 'install.rb', 'db/migrate/install_sample_plugin.rb'
      end

      def create_seed_file
          vendor "seeds.rb" do
            # Table created by plugin
            test = Test.new
            test.test_id = 234
            test.test_name = "plgin test"
            test.save!

            #Table that is in application
            hickwall = Hickwall.new
            hickwall.hello("Hello World")
            hickwall.save!
        end
      end


    end
  end
end```

Use genrate scaffold generator method
user
```ruby
require 'rails/generators'
require 'rails/generators/migration'
require 'active_record'
require 'rails/generators/active_record'

module SamplePlugin
  module Generators
    class InstallGenerator < Rails::Generators::Base
      include Rails::Generators::Migration

      source_root File.expand_path("../templates", __FILE__)

      # Implement the required interface for Rails::Generators::Migration.
      def self.next_migration_number(dirname) #:nodoc:
        next_migration_number = current_migration_number(dirname) + 1
        if ActiveRecord::Base.timestamped_migrations
          [Time.now.utc.strftime("%Y%m%d%H%M%S"), "%.14d" % next_migration_number].max
        else
          "%.3d" % next_migration_number
        end
      end

      def copy_migration
        migration_template 'install.rb', 'db/migrate/install_sample_plugin.rb'
      end

      def create_seed_file
          vendor "seeds.rb" do
            # Table created by plugin
            # test = Test.new
            # test.test_id = 234
            # test.test_name = "plgin test"
            # test.save!

            #Table that is in application
            hickwall = Hickwall.new
            hickwall.hello("Hello World")
            hickwall.save!
        end
      end

      def generate_forums_table
        generate "scaffold", "forums title:string description:text"
      end  


    end
  end
end```
assistant