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CONTRIBUTING.md

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+# Hurl Contributing Guide
+
+Thank you for investing time in our project!
+
+## Issues
+
+Whether you have discovered a bug, want a new feature in Hurl, or change code, [please fill an issue] before any PR.
+We like to discuss things before implementation and want to be sure that: 
+
+- Any new features is coherent with Hurl core values
+- You don't waste time on a feature that will not fit Hurl
+- All options have been considered if possible
+
+## Pull Requests
+
+Automated tests are run for each commit, and all tests must be green before merge.
+
+Hurl git history is linear, so we ask to rebase your PR before final merge. 
+
+## Hurl Core Values
+
+- Hurl is a first class citizen CLI tool, fast and reliable
+- Hurl is a cherry on the top of curl. What you can do with curl, you could do it with Hurl
+- Hurl file format is text plain, loosely based on HTTP
+- Hurl is multiplatform, working on Linux, macOS, Windows
+
+## How Can You Help ?
+
+- Installing / Packet managers: bundle Hurl for a particular packet manager is welcome. Currently, we built binaries for
+Linux, macOS, Windows and we support a narrow set of packet manager. [More would be better!]
+- IDE Support: everything from color syntax (in VSCode, Vim, IntelliJ, TextMate etc...) would be a good idea. An 
+integrated way to run Hurl file would be cool also
+- [Documentation] is a never finished work and could be always improve. Don't hesitate to clarify, fix typos etc...
+- Report bugs: if possible some simple repro steps with the Hurl version, name of the platform etc...
+
+
+
+
+
+[please fill an issue]: https://github.com/Orange-OpenSource/hurl/issues
+[More would be better!]: https://github.com/BurntSushi/ripgrep#installation
+[Documentation]: https://github.com/BurntSushi/ripgrep#installation