feat(sys-admins): add carla and ilyass users to prod env

inventory/host_vars/carsharing.coop/config.yml

@@ -24,6 +24,12 @@ system_administrators:
   - name: lai
     ssh_key: "{{ inventory_dir }}/../pub_keys/lai.pub"
     state: present
+  - name: ilyass
+    ssh_key: "{{ inventory_dir }}/../pub_keys/ilyass.pub"
+    state: present
+  - name: carla
+    ssh_key: "{{ inventory_dir }}/../pub_keys/carla.pub"
+    state: present
 
 developers: []