Update README

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README.md

 # Scripts-DOLPHINFREE
 This repository contains the files used to analyse data obtained during the <a href="https://umr-marbec.fr/en/the-projects/dolphinfree/">DOLPHINFREE project</a>. The goal was to detect and identify clicks and whisltes in audio recordings of common dolphins.   
 
+![signal dolphin](https://github.com/Loic-lhf/Scripts-DOLPHINFREE/audio_ex.png)
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 ## Description
 "BBPs", "Clicks" and "Whisltes" folders each treat a type of signal emitted by dolphins.   
 - Each folder contains numbered scripts for step-by-step execution.