Client relation link between clients#42

Many clients in the accountancy industry has multiple legal companies, under same client/contact person, but diffrent legal companies.

Therefore there should be possible to add relation link between clients, for better overview.

For example:

Company A related to Company B, Company C.

When open the client Comapny C in Uku, the relation will show
Comapny C related to Company A, Compny B