add release documentation and bump version to latest release

Author: Zsailer

RELEASE.md

@@ -0,0 +1,18 @@
+# Releasing
+
+First, bump the version to final release version.
+
+Then follow these steps (which expect a Bash shell; they might not work with other shells).
+```
+git clean -dffx
+pip install -q 517
+python -m pep517.build .
+export script_version=`python -c "from pytest_jupyter._version import __version__; print(__version__)"`
+git commit -a -m "Release $script_version"
+git tag $script_version
+git push --all
+git push --tags
+pip install twine
+twine check dist/*
+twine upload dist/*
+```

pytest_jupyter/_version.py

@@ -1,5 +1,5 @@
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 
-__version__ = "0.0.1"
+__version__ = "0.0.2.dev0"