Only include packages under the module name (#79)

This should fix #78

Author: Cadair

{{ cookiecutter.package_name }}/pyproject.toml

@@ -53,6 +53,7 @@ zip-safe = false
 include-package-data = true
 
 [tool.setuptools.packages.find]
+include = ["{{ cookiecutter.module_name }}*"]
 {% if cookiecutter.enable_dynamic_dev_versions == 'y' -%}
 exclude = ["{{ cookiecutter.module_name }}._dev*"]
 {%- endif %}