Function ffi_ibom_add_via

#[no_mangle]
extern "C" fn ffi_ibom_add_via(
    obj: &mut InteractiveHtmlBom,
    layers_array: *const InteractiveHtmlBomLayer,
    layers_size: usize,
    pos_x: f32,
    pos_y: f32,
    diameter: f32,
    drill_diameter: f32,
    net_name: *const QString,
)

Wrapper for adding a via to [InteractiveHtmlBom::vias]