New GLIM loans (Individual loans grouped into 1 loan)

There is a need to implement a new GLIM loans approach - Individual loans grouped into 1 loan.

The following criteria should be fulfilled:
1. Have a new type of loans which is individual loans into one group
2. Ability to give a group loan but the calculation on the client would be the normal interest
3. Group has 3 clients with 3 loans (1000+1000+1000)=3000
4. The required is that we have the interest calculated on each client before summing up the total amount