chore: update locales

Author: hywax

Diff for: locales/en-US.json

@@ -1,10 +1,13 @@
 {
   "service": {
-    "not-found": {
-      "title": "Services not found",
-      "description": "Oops! You did not specify a list of services in config.yaml",
-      "action": "Go to documentation"
-    }
+
+  },
+
+  "error": {
+    "title": "Error",
+    "page404": "Page not found!",
+    "description": "Oops! There's been an unexpected error",
+    "action": "Go to documentation"
   },
 
   "update": {

Diff for: locales/ru-RU.json

@@ -1,10 +1,14 @@
 {
   "service": {
-    "not-found": {
-      "title": "Сервисы не найдены",
-      "description": "Упс! Вы не указали список сервисов в файле config.yaml",
-      "action": "Перейти к документации"
-    }
+
+  },
+
+  "error": {
+    "title": "Ошибка",
+    "page404": "Страница не найдена!",
+    "home": "Главная страница",
+    "description": "Упс! Произошла непредвиденная ошибка",
+    "action": "Перейти к документации"
   },
 
   "update": {