Pull request: client: add fi, uk locales

Merge in DNS/adguard-home from add-fi-uk to master

Squashed commit of the following:

commit eb293912036ddb4f209827f3e3f87e849c402c6c
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Nov 15 14:26:35 2021 +0300

    client: fix locale selection

commit 077b7ede31dd6ec0a154d38b32d40a3dd39ba383
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Nov 15 14:10:55 2021 +0300

    client: add fi, uk locales

.twosky.json

@@ -12,6 +12,7 @@
       "en": "English",
       "es": "Español",
       "fa": "فارسی",
+      "fi": "Suomi",
       "fr": "Français",
       "hr": "Hrvatski",
       "hu": "Magyar",
@@ -33,6 +34,7 @@
       "sv": "Svenska",
       "th": "ภาษาไทย",
       "tr": "Türkçe",
+      "uk": "Українська",
       "vi": "Tiếng Việt",
       "zh-cn": "简体中文",
       "zh-hk": "繁體中文（香港）",