Welcome to the community! If this is the error you’re referencing:
When I open the lock tab in lovelace, I see the following error.
Custom element doesn’t exist: fold-entity-row.
The instructions say:
The easiest way to add these plugins is using the Home Assistant Community Store. You will need to go to “Settings” and add the following repositories in order to download the plugins:
But you’ll also have to install Fold Entity Row. I understand what you mean when you say there are “a lot of side tasks”, but if you have HACS it’s easier.