Please fix issues reported by adapter checker

[mcm1957]

❗ [E510] "/admin/i18n/uk/translations.json" or "admin/i18n/uk.json" not found, but admin support is declared 👀 [W105] "common.titleLang" should be translated into all supported languages (en, de, ru, pt, nl, fr, it, es, pl, uk, zh-cn) 👀 [W109] "common.desc" should be translated into all supported languages (en, de, ru, pt, nl, fr, it, es, pl, uk, zh-cn) 👀 [W145] Each "common.news" should be translated into all supported languages (en, de, ru, pt, nl, fr, it, es, pl, uk, zh-cn) 👀 [W145] Each "common.news" should be translated into all supported languages (en, de, ru, pt, nl, fr, it, es, pl, uk, zh-cn) 👀 [W145] Each "common.news" should be translated into all supported languages (en, de, ru, pt, nl, fr, it, es, pl, uk, zh-cn) 👀 [W145] Each "common.news" should be translated into all supported languages (en, de, ru, pt, nl, fr, it, es, pl, uk, zh-cn) 👀 [W145] Each "common.news" should be translated into all supported languages (en, de, ru, pt, nl, fr, it, es, pl, uk, zh-cn)