Added pypi publishing files

pyproject.toml

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+[build-system]
+requires = ["setuptools", "wheel"]

setup.cfg

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+[metadata]
+name = taibun
+version = 1.1.0
+author = Andrei Harbachov
+author_email = andrei.harbachov@gmail.com
+description = Taiwanese Hokkien Transliterator and Tokeniser
+long_description = file: README.md
+long_description_content_type = text/markdown
+url = https://github.com/andreihar/taibun
+license = MIT
+classifiers =
+    Topic :: Text Processing :: Linguistic
+    Development Status :: 5 - Production/Stable
+    Intended Audience :: Developers
+    Programming Language :: Python :: 3
+    Operating System :: Unix
+    Operating System :: MacOS :: MacOS X
+    Operating System :: Microsoft :: Windows
+keywords = python, taiwan, taiwanese, taigi, hokkien, romanization, transliteration, transliterator, tokenization, tokenizer
+
+[options]
+python_requires = >=3.8
+packages = find:
+
+[options.package_data]
+taibun = data/*.json