PIM-3136 : added sequential edition backend storage entity

| Q                    | A
| -------------------- | ---
| Bug fix?             | No
| New feature?         | Yes
| BC breaks?           | No
| CI currently passes? | Yes
| Tests pass?          | Yes
| Scenarios pass?      | Yes
| Checkstyle issues?*  | 
| PMD issues?**        |
| Changelog updated?   |
| Fixed tickets        |
| Doc PR               |