Add migrations to add user roles and party visibility.

db/migrate/20230824222028_add_role_to_users.rb

@@ -0,0 +1,5 @@
+class AddRoleToUsers < ActiveRecord::Migration[7.0]
+  def change
+    add_column :users, :role, :integer, default: 1, null: false
+  end
+end

db/migrate/20230824222107_add_visibility_to_parties.rb

@@ -0,0 +1,5 @@
+class AddVisibilityToParties < ActiveRecord::Migration[7.0]
+  def change
+    add_column :parties, :visibility, :integer, default: 1, null: false
+  end
+end