fix: links (aneoconsulting#9)

0.introduction.md

@@ -12,9 +12,9 @@ ArmoniK is a large project and because of it's complexity, we decided to splitte
 
 In spite of this autonomy that repositories have, we think it's **essential** for each of them to have the **same way of working**. We have written each process we use to build ArmoniK together.
 
-- [Discuss First](./3.working-processes/1.discuss-first.md)
-- [Submission guidelines](./3.working-processes/2.submission-guidelines.md)
-- [Release processes](./3.working-processes/3.release-processes.md)
+- [Discuss First](./2.working-processes/1.discuss-first.md)
+- [Submission guidelines](./2.working-processes/2.submission-guidelines.md)
+- [Release processes](./2.working-processes/3.release-processes.md)
 
 Feel free to ask if there is something you don't understand. The whole ArmoniK team would be delighted to answer you.