chg: udpate the examples to include 'image' overwrite

compose.yml

@@ -2,6 +2,15 @@ odoo:
   charm: odoo-tecnativa
   options:
     admin-password: rantanplan
+
+  # docker-compose:
+  #   ## Important to keep as a list: otherwise it'll overwrite charm's arguments.
+  #   command:
+  #     - "--log-level=debug"
+  #   environment:
+  #     TOTO: TATA
+  #   image: mynewimage
+
   relations:
     postgres-database:
       postgres:
@@ -48,9 +57,4 @@ odoo:
         #     vRt4kR4KG6ULXrmsRA4WQjBDJ9vZw2aK+w==
         #     -----END PRIVATE KEY-----
 
-  # docker-compose:
-  #   ## Important to keep as a list: otherwise it'll overwrite charm's arguments.
-  #   command:
-  #     - "--log-level=debug"
-  #   environment: