implement placeable_on for complex-furniture

[bruhhhwarrior]

Terms

• I'm using the very latest version of ItemsAdder and its dependencies.
• I already searched on this Github page to check if the same suggestion was already reported.
• I already searched on the plugin wiki to know if the feature is already implemented.
• 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)

twinky

Describe the solution you'd like

implement placeable_on for complex-furniture,
one of the last furniture features not yet implemented for complex furnitures

Is your feature request related to a problem?

cant limit placing

Describe alternatives you've considered

trying to use it anyways but it did nothing

Additional context

trying to make a wall mounted lantern so i cant have people place it on floor or ceiling