[FEATURE] Implemented contact position as relation

Split View for contact:

__Tasks:__

- [x] position as relation
- [ ] gather feedback for my changes



__Informations:__

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| Tests pass?   | none
| Fixed tickets | none
| Doc           | none
you could also set position in createMainAccountContact(); and pass position as a parameter