change selected files translate and add count

src/i18n/messages/en.json

@@ -415,7 +415,9 @@
 		"text-of-the-case": "Text of the case",
 		"fill-text-of-the-case": "Fill the case text",
 		"fill-title-of-the-case": "Fill the case title",
-		"enter-the-amount-of-damage": "Enter the amount of damage"
+		"enter-the-amount-of-damage": "Enter the amount of damage",
+		"download-all": "Download all",
+		"selected-files": "Selected files"
 	},
 	"Login-register-form": {
 		"and": "and",

src/i18n/messages/ru.json

@@ -415,7 +415,9 @@
 		"text-of-the-case": "Текст дела",
 		"fill-text-of-the-case": "Заполните текст дела",
 		"fill-title-of-the-case": "Заполните название дела",
-		"enter-the-amount-of-damage": "Введите сумму ущерба"
+		"enter-the-amount-of-damage": "Введите сумму ущерба",
+		"download-all": "Скачать все",
+		"selected-files": "Выбранно файлов"
 	},
 	"Login-register-form": {
 		"and": "и",