As a new developer, you might also benefit from a standalone addon I wrote a while back.
Lilith's Command History
What it does is to provide a history of /script commands executed in ESO which is persistent across UI reloads, support for multi line lua scripts within the game, running/editing commands stored in the list, and it also provides some additional little quality of life changes like a customizable binding for reloading the UI.
I think you'd find it pretty helpful.