change date in projects instead of beginning_year and end_year,

routers/shortProjects.py

@@ -21,6 +21,8 @@ def read_shortProjects():
                     p.school,
                     p.nb_image,
                     p.image_name,
+                    p.beginning_year,
+                    p.end_year,
                     GROUP_CONCAT(DISTINCT s.name ORDER BY s.name SEPARATOR ', ') AS skills
                 FROM
                     projects p