Update development setup documentation

Author: caizixian

README.md

@@ -8,12 +8,13 @@
 ```console
 virtualenv env
 source env/bin/activate
-pip install -U pip setuptools build[virtualenv]
+pip install -U pip setuptools build[virtualenv] twine
 ```
 
-To make a distribution archives, run `python -m build` within the virtual environment.
-To run an editable build in the virtual environment, run `pip install -e .`.
-To install to user `site-packages`, run `pip install dist/running_ng-<VERSION>-py3-none-any.whl` outside the virtual environment.
+- To make a distribution archives, run `python -m build` within the virtual environment.
+- To run an editable build in the virtual environment, run `pip install -e .`.
+- To install to user `site-packages`, run `pip install dist/running_ng-<VERSION>-py3-none-any.whl` outside the virtual environment.
+- To update to PyPI, run `twine upload --repository running-ng dist/*<VERSION>*`
 
 There are two [extras](https://peps.python.org/pep-0508/#extras) available.
 - `zulip`: dependencies for the `Zulip` `runbms` plugin.