docs: 📝 add a badge for the test workflow status (#166)

# Description

This PR needs a quick review.

## Checklist

- [x] Ran `just run-all`

Author: lwjohnst86

README.md

@@ -4,11 +4,12 @@
 
 <!-- [![DOI]()]() -->
 
-[![Copier](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/copier-org/copier/master/img/badge/badge-grayscale-inverted-border-teal.json?raw=true)](https://github.com/copier-org/copier)
+[![Copier](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/copier-org/copier/master/img/badge/badge-grayscale-inverted-border-teal.json?raw=true.svg)](https://github.com/copier-org/copier)
 [![GitHub
 License](https://img.shields.io/github/license/seedcase-project/template-python-package.svg)](https://github.com/seedcase-project/template-python-package/blob/main/LICENSE.md)
 [![GitHub
 Release](https://img.shields.io/github/v/release/seedcase-project/template-python-package.svg)](https://github.com/seedcase-project/template-python-package/releases/latest)
+[![Test](https://github.com/seedcase-project/template-python-package/actions/workflows/test.yml/badge.svg)](https://github.com/seedcase-project/template-python-package/actions/workflows/test.yml)
 [![Build
 website](https://github.com/seedcase-project/template-python-package/actions/workflows/build-website.yml/badge.svg)](https://github.com/seedcase-project/template-python-package/actions/workflows/build-website.yml)
 [![CodeQL](https://github.com/seedcase-project/template-python-package/actions/workflows/github-code-scanning/codeql/badge.svg?branch=main)](https://github.com/seedcase-project/template-python-package/actions/workflows/github-code-scanning/codeql)

docs/includes/_badges.qmd

@@ -2,6 +2,7 @@
 [![Copier](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/copier-org/copier/master/img/badge/badge-grayscale-inverted-border-teal.json?raw=true.svg)](https://github.com/copier-org/copier)
 [![GitHub License](https://img.shields.io/github/license/{{< meta gh.org >}}/{{< meta gh.repo >}}.svg)](https://github.com/{{< meta gh.org >}}/{{< meta gh.repo >}}/blob/main/LICENSE.md)
 [![GitHub Release](https://img.shields.io/github/v/release/{{< meta gh.org >}}/{{< meta gh.repo >}}.svg)](https://github.com/{{< meta gh.org >}}/{{< meta gh.repo >}}/releases/latest)
+[![Test](https://github.com/{{< meta gh.org >}}/{{< meta gh.repo >}}/actions/workflows/test.yml/badge.svg)](https://github.com/{{< meta gh.org >}}/{{< meta gh.repo >}}/actions/workflows/test.yml)
 [![Build website](https://github.com/{{< meta gh.org >}}/{{< meta gh.repo >}}/actions/workflows/build-website.yml/badge.svg)](https://github.com/{{< meta gh.org >}}/{{< meta gh.repo >}}/actions/workflows/build-website.yml)
 [![CodeQL](https://github.com/{{< meta gh.org >}}/{{< meta gh.repo >}}/actions/workflows/github-code-scanning/codeql/badge.svg?branch=main)](https://github.com/{{< meta gh.org >}}/{{< meta gh.repo >}}/actions/workflows/github-code-scanning/codeql)
 [![pre-commit.ci status](https://results.pre-commit.ci/badge/github/{{< meta gh.org >}}/{{< meta gh.repo >}}/main.svg)](https://results.pre-commit.ci/latest/github/{{< meta gh.org >}}/{{< meta gh.repo >}}/main)