Add /iaupdate Command

[xyzjesper]

Terms

• [X] I'm using the very latest version of ItemsAdder and its dependencies.
• [X] I already searched on this Github page to check if the same suggestion was already reported.
• [X] I already searched on the plugin wiki to know if the feature is already implemented.
• [X] I already searched on the Discord server to know if anyone already has a solution for this or if the feature was already suggested.

Discord tag (optional)

xyzjesper

Describe the solution you'd like

Add an command with i can update my Funiture and items if i change modeldata etc. and then itemsadder autoupdate all models

Is your feature request related to a problem?

Yes if i change modeldata i have the problem that ia display other items/models

Describe alternatives you've considered

i have no alternative!

Additional context

No response