Approval in backend

backend/ru/basis.json

@@ -300,6 +300,7 @@
         "classification": "\u041a\u043b\u0430\u0441\u0441\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f",
         "skip": "\u041f\u0440\u043e\u043f\u0443\u0441\u0442\u0438\u0442\u044c",
         "all": "\u0412\u0441\u0435",
-        "content": "Content"
+        "content": "Content",
+        "unit": "Unit"
     }
 }