add ru translation for navbar and footer

www/i18n/ru/docusaurus-theme-classic/navbar.json

@@ -4,23 +4,31 @@
     "description": "The title in the navbar"
   },
   "logo.alt": {
-    "message": "Butter App Logo",
+    "message": "Логотип приложения Butter",
     "description": "The alt text of navbar logo"
   },
   "item.label.How To": {
-    "message": "How To",
+    "message": "Инструкции",
+    "description": "Navbar item with label How To"
+  },
+  "item.label.Get Started": {
+    "message": "Начать работу",
     "description": "Navbar item with label How To"
   },
   "item.label.Get In Touch": {
-    "message": "Get In Touch",
+    "message": "Связаться с нами",
     "description": "Navbar item with label Get In Touch"
   },
   "item.label.Blog": {
-    "message": "Blog",
+    "message": "Блог",
+    "description": "Navbar item with label Blog"
+  },
+  "item.label.Latest News": {
+    "message": "Последние новости",
     "description": "Navbar item with label Blog"
   },
   "item.label.Content Packs": {
-    "message": "Content Packs",
+    "message": "Пакеты контента",
     "description": "Navbar item with label Content Packs"
   }
 }