created template selecting

web/db/migrate/20160220121556_create_configuration_files.rb

@@ -0,0 +1,10 @@
+class CreateConfigurationFiles < ActiveRecord::Migration
+  def change
+    create_table :configuration_files do |t|
+      t.string :namehash, null: false
+      t.integer :server_id, null: false
+      t.integer :file_type_id, null: false
+      t.timestamps null: false
+    end
+  end
+end