Set up ttag for i18n

i18n/uk.po

+msgid ""
+msgstr ""
+"Content-Type: text/plain; charset=UTF-8\n"
+"Plural-Forms: nplurals = 3; plural = (n % 10 == 1 && n % 100 != 11 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2);\n"
+"Language: uk\n"
+"MIME-Version: 1.0\n"
+"Content-Transfer-Encoding: 8bit\n"

package.json

@@ -20,6 +20,7 @@
     "react-intl": "^5.15.5",
     "react-router-dom": "^5.2.0",
     "react-scripts": "4.0.3",
+    "ttag": "^1.7.24",
     "typescript": "^4.1.2"
   },
   "scripts": {
@@ -66,6 +67,7 @@
     "lint-staged": "^10.5.4",
     "mrm": "^2.6.0",
     "prettier": "2.2.1",
-    "react-styleguidist": "^11.1.6"
+    "react-styleguidist": "^11.1.6",
+    "ttag-cli": "^1.9.2"
   }
 }