docs: add more details to README

Author: dzhang32

README.md

@@ -2,4 +2,11 @@
 
 [![test](https://github.com/dzhang32/python_package_template/actions/workflows/test.yml/badge.svg)](https://github.com/dzhang32/python_package_template/actions/workflows/test.yml)
 
-A [cookiecutter](https://github.com/cookiecutter/cookiecutter) python package template developed for personal use.
+A [cookiecutter](https://github.com/cookiecutter/cookiecutter) python package template developed for personal use.
+
+## Usage
+
+```bash
+# cookiecutter can be installed via pip/brew.
+cookiecutter git@github.com:dzhang32/python_package_template.git
+``` 

{{cookiecutter.package_name}}/README.md

@@ -12,4 +12,31 @@ source .venv/bin/activate
 uv pip install {{cookiecutter.package_name}}
 # Install Chromium browser binary required for playwright.
 playwright install chromium
-```
+```
+
+## Additional setup
+
+### Code coverage
+
+- Add a "CODECOV_TOKEN" secret (obtained from [here](https://app.codecov.io/gh/dzhang32/test_python_package/)) to your repo via `Settings` -> `Secrets and variables` -> `Actions`. 
+
+{% if cookiecutter.include_docs == 'y' %}
+### Deploying docs to gh-pages
+
+1. Go to your repository's `Settings` -> `Actions` -> `General`.
+2. Scroll to `Workflow permissions` and allow GHA to have `Read and write permissions` so it can create/push to the `gh-pages` branch.
+3. Go to `Settings` -> `Pages`.
+4. Configure your repo to deploy from the root of `gh-pages` branch.
+{% endif %}
+
+{% if cookiecutter.include_pypi == 'y' %}
+### Deploying to PyPI
+
+- Go to your [PyPi publishing settings](https://pypi.org/manage/account/publishing/) and fill in the following details:
+
+    - **PyPI Project Name:** {{cookiecutter.package_name}}
+    - **Owner:** {{cookiecutter.github_username}}
+    - **Repository name:** {{cookiecutter.package_name}}
+    - **Workflow name:** test_deploy.yml
+    - **Environment name:** (leave blank)
+{% endif %}