en to lv translation catalogue (4 entries)

note: (itstool) path: sect1/title
en: Introduction
lv: Ievads

note: (itstool) path: varlistentry/term
en: Command line
lv: Komandrinda

note: (itstool) path: sect1/title
en: Usage
lv: Izmantojums

note: (itstool) path: para/ulink
en: link
lv: saite
