Merge master and merge languages parameter

Author: artemkorsakov

_overviews/scala3-book/introduction.md

@@ -2,11 +2,10 @@
 title: Introduction
 type: chapter
 description: This page begins the overview documentation of the Scala 3 language.
-languages: [zh-cn]
+languages: [ru, zh-cn]
 num: 1
 previous-page: 
 next-page: scala-features
-languages: [ru]
 ---
 
 Welcome to the Scala 3 Book.

_overviews/scala3-book/scala-features.md

@@ -2,11 +2,10 @@
 title: Scala Features
 type: chapter
 description: This page discusses the main features of the Scala programming language.
-languages: [zh-cn]
+languages: [ru, zh-cn]
 num: 2
 previous-page: introduction
 next-page: why-scala-3
-languages: [ru]
 ---
 
 

_overviews/scala3-book/taste-hello-world.md

@@ -2,11 +2,10 @@
 title: Hello, World!
 type: section
 description: This section demonstrates a Scala 3 'Hello, World!' example.
-languages: [zh-cn]
+languages: [ru, zh-cn]
 num: 5
 previous-page: taste-intro
 next-page: taste-repl
-languages: [ru]
 ---
 
 > **Hint**: in the following examples try picking your preferred Scala version.

_overviews/scala3-book/taste-intro.md

@@ -2,11 +2,10 @@
 title: A Taste of Scala
 type: chapter
 description: This chapter provides a high-level overview of the main features of the Scala 3 programming language.
-languages: [zh-cn]
+languages: [ru, zh-cn]
 num: 4
 previous-page: why-scala-3
 next-page: taste-hello-world
-languages: [ru]
 ---
 
 

_overviews/scala3-book/why-scala-3.md

@@ -2,11 +2,10 @@
 title: Why Scala 3?
 type: chapter
 description: This page describes the benefits of the Scala 3 programming language.
-languages: [zh-cn]
+languages: [ru, zh-cn]
 num: 3
 previous-page: scala-features
 next-page: taste-intro
-languages: [ru]
 ---
 
 {% comment %}