add contibuting_example.md (#6998)

add a contributing_example.md on folder .github

---------

Co-authored-by: Félix Malfait <felix@twenty.com>

README.md

@@ -32,6 +32,7 @@ We felt the need for a CRM platform that empowers rather than constrains. We bel
 
 # Demo 
 Go to <a href="https://demo.twenty.com/">demo.twenty.com</a> and login with the following credentials:
+
 ```
 email: noah@demo.dev
 password: Applecar2025
@@ -67,6 +68,7 @@ Below are some features we have implemented to date:
 + [Create tasks on records](#create-tasks-on-records)
 + [Navigate quickly through the app using keyboard shortcuts and search](#navigate-quickly-through-the-app-using-keyboard-shortcuts-and-search)
 
+
 ## Add, filter, sort, edit, and track customers:
 
 <p align="center">