Document development and release.

Makefile

@@ -7,3 +7,7 @@ dist/mnpw: mnpw/*.py pyproject.toml *.rst LICENSE.txt
 .PHONY: clean
 clean:
 	git clean --force -X -d
+
+.PHONY: bats
+bats: all
+	bats tests/

README.rst

@@ -48,6 +48,37 @@ plugin handling useful and would want to use it. The package is not published to
 PyPI so your best option is getting a direct download of the wheel package from
 the `releases pages <https://git.shore.co.il/shore/mnpw/-/releases>`_.
 
+Development
+-----------
+
+For local development, the following is required:
+
+- Python 3.6 or newer.
+- `Poetry <https://python-poetry.org/>`_.
+- `Bats <https://bats-core.readthedocs.io/en/stable/>`_.
+- Make.
+
+To run all of the tests locally:
+
+.. code:: shell
+
+   poetry install
+   poetry run pre-commit run --all-files
+   poetry run pytest
+   poetry run make bats
+
+All of those tests (and more) run in the `CI pipeline
+<https://git.shore.co.il/shore/mnpw/-/pipelines>`_ on each push.
+
+To release a new verion:
+
+.. code:: shell
+
+    poetry run bumpversion major|minor|patch
+
+This will commit the version change, tag and push it and the pipeline will
+release a new version.
+
 License
 -------