refactor template

{{cookiecutter.project_slug}}/src/{{cookiecutter.package_name}}/cli/app.py

@@ -0,0 +1,33 @@
+from __future__ import annotations
+
+from typing import Annotated
+
+import typer
+
+from {{ cookiecutter.package_name }}.cli.config import app as config_app
+from {{ cookiecutter.package_name }}.cli.hello import app as hello_app
+from {{ cookiecutter.package_name }}.utils.logging import setup_logging
+
+app = typer.Typer(no_args_is_help=True)
+app.add_typer(config_app, name="config")
+app.add_typer(hello_app, name="hello")
+
+
+@app.callback(invoke_without_command=True)
+def main(
+    version: Annotated[
+        bool,
+        typer.Option("--version", "-v", help="Show version and exit."),
+    ] = False,
+) -> None:
+    """Run the CLI application."""
+    setup_logging()
+    if version:
+        from importlib.metadata import version as get_version
+
+        print(get_version("{{ cookiecutter.project_slug }}"))
+        raise typer.Exit()
+
+
+if __name__ == "__main__":
+    app()