doc(usage): update usage doc
doc(usage): update usage doc

SpoonX/aurelia-datatable,jeremyvergnas/aurelia-data-table,jeremyvergnas/aurelia-data-table,nvtin/aurelia-datatable,SpoonX/aurelia-datatable,VMBindraban/aurelia-datatable,VMBindraban/aurelia-datatable,nvtin/aurelia-datatable