Create Fake Interfaces, Devices, and Databases for Testing

[Wyko]

Objective

For testing purposes, we should have fully populated structures to work with. For this, we need helper functions which create on-demand, populated interfaces and devices, as well as filling the inventory and main databases with fake data.

When appropriate, these fake structures can be used alongside pre-made ones in situations where exactly known data is not needed.

Possible Implementation

Using the Faker package will expedite this