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).

antsibull-nox.toml

@@ -27,7 +27,7 @@ run_yamllint = true
 yamllint_config = ".yamllint"
 yamllint_config_plugins = ".yamllint-docs"
 yamllint_config_plugins_examples = ".yamllint-examples"
-run_mypy = false
+run_mypy = true
 mypy_ansible_core_package = "ansible-core>=2.19.0"
 mypy_config = ".mypy.ini"
 mypy_extra_deps = [
@@ -35,7 +35,11 @@ mypy_extra_deps = [
     "paramiko",
     "urllib3",
     "requests",
+    "types-mock",
+    "types-paramiko",
+    "types-pywin32",
     "types-PyYAML",
+    "types-requests",
 ]
 
 [sessions.docs_check]