From c2d05a9914bff9e2a2965938f373a041c761f067 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20M=C3=B6ller?= <am@localheinz.com>
Date: Tue, 27 Feb 2024 17:31:32 +0100
Subject: [PATCH] Enhancement: Add CONTRIBUTING.md

---
 .github/CONTRIBUTING.md | 19 +++++++++++++++++++
 README.md               |  4 ++++
 2 files changed, 23 insertions(+)
 create mode 100644 .github/CONTRIBUTING.md

diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
new file mode 100644
index 0000000..b6adb52
--- /dev/null
+++ b/.github/CONTRIBUTING.md
@@ -0,0 +1,19 @@
+# CONTRIBUTING
+
+We use [GitHub Actions](https://github.com/features/actions) as a continuous integration system.
+
+For details, take a look at the following workflow configuration files:
+
+- [`workflows/integrate.yaml`](workflows/integrate.yaml)
+
+## Tests
+
+We use [`phpunit/phpunit`](https://github.com/sebastianbergmann/phpunit) to drive the development.
+
+Run
+
+```sh
+vendor/bin/phpunit --configuration=tests/phpunit.xml
+```
+
+to run all the tests.
diff --git a/README.md b/README.md
index ec416f9..6c8c6bc 100755
--- a/README.md
+++ b/README.md
@@ -821,6 +821,10 @@ You can now run through the result and put it formatted into a drop-down field o
 
 -------------------------------------------------
 
+# Contributing
+
+The maintainers of this project suggest following the [contribution guide](.github/CONTRIBUTING.md).
+
 # License
 Moment.php is freely distributable under the terms of the MIT license.