{{!-- SPDX-FileCopyrightText: 2021 Johannes Loher SPDX-FileCopyrightText: 2021 Gesina Schwalbe SPDX-License-Identifier: MIT --}} {{! !-- Render an "add" button. !-- @param documentType: The type of document this button controls, item or effect !-- @param title: The title to use for the link element (will be localized) !-- @param type: An optional property to use as data-type attribute }}