en to zh_HK translation catalogue (5 entries)

note: (itstool) path: sect1/title
en: Introduction
zh_HK: 導覽

note: (itstool) path: figure/title
en: Sticky Notes
zh_HK: 便條

note: (itstool) path: sect1/title
en: Preferences
zh_HK: 偏好設定

note: (itstool) path: figure/title
en: Sticky Notes Preferences
zh_HK: 便條偏好設定

note: (itstool) path: para/ulink
en: link
zh_HK: 連結
