Function uvls::webview::create_file_tree

fn create_file_tree(
    file: &AstDocument,
    module: &Module,
    base_depth: u32,
    instance: InstanceID,
    config: &HashMap<ModuleSymbol, ConfigValue>,
    entries: &mut IndexMap<ModuleSymbol, UIEntry>,
)

goes through the UVL file and stores each entry accordingly in the provided entries variable