Update version number and give setup.py some love (#68)

* Mark version as 1.1

The previous owner of the PyPI package updated to a version 1.1 two days
ago, so this ought to be bumped to 1.1 too. See https://pypi.org/project/synapse-s3-storage-provider/1.1/#description

* Extra options in setup.py

* Packaging instructions

README.md

@@ -76,3 +76,17 @@ Updated 0 as deleted
 > s3_media_upload upload /path/to/media/store matrix_s3_bucket_name --storage-class STANDARD_IA --delete
 # prepare to wait a long time
 ```
+
+Packaging
+---------
+
+For maintainers:
+
+1. Update the `__version__` in setup.py.
+2. Build, check and upload to PyPI as follows:
+
+```shell
+python -m build
+twine check dist/*
+twine upload dist/*
+```

setup.py

@@ -1,12 +1,23 @@
 from setuptools import setup
 
-__version__ = "1.0"
+__version__ = "1.1"
+
+with open("README.md") as f:
+    long_description = f.read()
 
 setup(
     name="synapse-s3-storage-provider",
     version=__version__,
     zip_safe=False,
+    author="matrix.org team and contributors",
+    description="A storage provider which can fetch and store media in Amazon S3.",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
     url="https://github.com/matrix-org/synapse-s3-storage-provider",
+    classifiers=[
+        "Programming Language :: Python :: 3",
+        "License :: OSI Approved :: Apache Software License",
+    ],
     py_modules=["s3_storage_provider"],
     scripts=["scripts/s3_media_upload"],
     install_requires=[