add contributing guide

docs/contributing.md

@@ -0,0 +1,22 @@
+<!-- markdownlint-disable MD013 -->
+# Contributing
+
+Any kind of contribution is welcome.
+
+Visit the forums
+
+- for [announcements](https://github.com/llaville/box-manifest/discussions/categories/announcements) of new versions
+- if you want to [ask a question or help others](https://github.com/llaville/box-manifest/discussions/categories/q-a)
+- [learn](https://github.com/llaville/box-manifest/discussions/categories/show-and-tell) more about any features
+- suggest new [ideas](https://github.com/llaville/box-manifest/discussions/categories/ideas)
+- or any [other stuffs](https://github.com/llaville/box-manifest/discussions/categories/general)
+
+## Getting Started with your PR
+
+If you want to send a Pull Request, have these steps in mind :
+
+- Create a new branch : `git checkout -b <my_new_tool>` (feel free to name your branch as you want)
+- Adds your code, and writes as much as possible some unit tests
+- Run Unit-Tests to avoid regression
+- If it's a new feature, please consider writing documentation in Markdown format into the `docs` directory
+- Send your Pull Request and wait for code review

mkdocs.yml

@@ -29,3 +29,4 @@ markdown_extensions:
 nav:
     - "Home": index.md
     - "Getting-Started": getting-started.md
+    - "Contributing": contributing.md