add flask run compatibility to still initialize the app in that case
Two features are deprecated and can be disabled with a feature flag: registering all imported modules (use app.app.compose_app() functionality from mara_config to explicitly register functionality) and registering the click commands as subcommands of flask subcommand (use mara subcommand)
Changes:
@declare_config()flask runcompatibility to still initialize the app in that caseapp.app.compose_app()functionality from mara_config to explicitly register functionality) and registering the click commands as subcommands offlask subcommand(usemara subcommand)