feat: prepare "contrib" area

Signed-off-by: Jan Kowalleck <jan.kowalleck@gmail.com>

Author: jkowalleck

cyclonedx/contrib/license/__init__.py

@@ -14,3 +14,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 # Copyright (c) OWASP Foundation. All Rights Reserved.
+
+"""License related functionality"""

cyclonedx/contrib/license/exceptions.py

@@ -17,7 +17,7 @@
 
 
 """
-Exceptions relating to specific conditions that occur when factoring a model.
+Exceptions relating to specific conditions that occur when factoring a module.
 """
 
 from ...exception import CycloneDxException

cyclonedx/contrib/license/factories.py

@@ -15,6 +15,8 @@
 # SPDX-License-Identifier: Apache-2.0
 # Copyright (c) OWASP Foundation. All Rights Reserved.
 
+"""License related factories"""
+
 __all__ = ['LicenseFactory']
 
 from typing import TYPE_CHECKING, Optional
@@ -88,3 +90,8 @@ def make_with_name(self, name: str, *,
                        ) -> DisjunctiveLicense:
         """Make a :class:`cyclonedx.model.license.DisjunctiveLicense` with a name."""
         return DisjunctiveLicense(name=name, text=text, url=url, acknowledgement=acknowledgement)
+
+
+# Idea for more factories:
+# class LicenseAttachmentFactory:
+#    def male_from_file(self, path: PathLike) -> AttachedText: ...

cyclonedx/contrib/this/__init__.py

@@ -14,3 +14,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 # Copyright (c) OWASP Foundation. All Rights Reserved.
+
+"""Representation of this very python library."""