chore: monthly updates for Aug'23; bump version

- revised readme, better theming support, improved wording where needed
- granular config for ruff linter & pyright type checker, re-format code
- update dependencies, bump version

tests/__init__.py

@@ -1,6 +1,4 @@
-"""
-Initialize test module
-"""
+"""Initialize test module."""
 
 # standard
 import logging

tests/test_main.py

@@ -1,12 +1,12 @@
 """Unit Tests."""
 
 # standard
-from importlib import import_module
 from dataclasses import dataclass  # , field
+from importlib import import_module
 from itertools import product
-import unittest
-import sys
 import os
+import sys
+import unittest
 
 # from pathlib import Path
 # from inspect import cleandoc