en to unknown language translation catalogue (3 entries)

[ctx: model:ir.model.button,string:period_close_button]
en: Close
target: 结账

[ctx: model:ir.model.button,string:period_draft_button]
en: Draft
target: 草案

[ctx: model:ir.ui.menu,name:menu_configuration]
en: Configuration
target: 设置
