add CLI example

Author: juliankuners

{{cookiecutter.project_slug}}/pyproject.toml

@@ -14,6 +14,9 @@ dependencies = []
 name = "{{ cookiecutter.author_name }}"
 email = "{{ cookiecutter.author_email }}"
 
+[project.scripts]
+{{ cookiecutter.project_slug }} = "{{ cookiecutter.project_slug }}.__main__:main"
+
 [dependency-groups]
 dev = [
     "autoflake",

{{cookiecutter.project_slug}}/src/{{cookiecutter.package_name}}/__init__.py

@@ -0,0 +1,5 @@
+from .hello import hello
+
+__all__ = [
+    'hello',
+]

{{cookiecutter.project_slug}}/src/{{cookiecutter.package_name}}/__main__.py

@@ -0,0 +1,5 @@
+from . import hello
+
+
+def main() -> None:
+    print(hello('CLI'))