code: def add_usable_app(name, app):
      'Add app to local registry by name'
      name = slugify(name)
      global usable_apps # pylint: disable=global-statement
      usable_apps[name] = app
      return namf add_usable_app(name, app):
      'Add app to local registry by name'
      name = slugify(name)
      global usable_apps # pylint: disable=global-statement
      usable_apps[name] = app
      return name
docs: Add app to local registry by name