feat(locale): add Lithuanian language (#4171)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

src/runtime/locale/index.ts

@@ -24,6 +24,7 @@ export { default as ja } from './ja'
 export { default as kk } from './kk'
 export { default as km } from './km'
 export { default as ko } from './ko'
+export { default as lt } from './lt'
 export { default as ms } from './ms'
 export { default as nb_no } from './nb_no'
 export { default as nl } from './nl'