refactor: reorganize people directory structure and update profile content

public/images/people/alexandre_hannelas/index.md

@@ -0,0 +1,22 @@
+---
+title: Alexandre Hannelas
+weight: 3
+description: Finance Manager
+taxonomies:
+    people: [alexandre_hannelas]
+    memberships: []
+    categories: []
+extra:
+    imgPath: alexandre_hannelas.jpeg
+    organizations: []
+    countries: [France]
+    cities: [Aix-en-Provence]
+    private: 0
+    socialLinks: {
+        LinkedIn: https://www.linkedin.com/in/alexandre-hannelas-741681112/,
+        github: https://github.com/AlexandreHannelas,
+        websites: https://threefold.io/,
+    }
+---
+
+Capable finance specialist with a deep passion in driving lean and innovative business models.