Add typing information, 1/2 (#1176)

* Re-enable typing and improve config.

* Make mypy pass.

* Improve settings.

* First batch of types.

* Add more type hints.

* Fixes.

* Format.

* Fix split_port() without returning to previous type chaos.

* Continue with type hints (and ignores).

plugins/modules/docker_network_info.py

@@ -107,7 +107,7 @@ from ansible_collections.community.docker.plugins.module_utils._common_api impor
 )
 
 
-def main():
+def main() -> None:
     argument_spec = {
         "name": {"type": "str", "required": True},
     }