init project

db/migrate/20191220085133_create_compose_users.rb

@@ -0,0 +1,12 @@
+class CreateComposeUsers < ActiveRecord::Migration[5.2]
+  def change
+    # create_table :compose_users do |t|
+    #   t.integer :user_id
+    #   t.integer :compose_id
+    #   t.integer :is_manager, default: 0
+    #
+    #   t.timestamps
+    # end
+    # add_index :compose_users, [:user_id, :compose_id]
+  end
+end