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+# Developer guide
+
+## Requirements
+
+**unit or integrations tests** are mandatory.
+
+Please use [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/#summary).
+
+## Coding style
+
+Follow usual best practices:
+  * document your code
+  * one function = one purpose
+  * function name should perfectly define their purpose