docs: update docs

Author: jooy2

docs/src/en/index.md

@@ -2,22 +2,22 @@
 layout: home
 
 title: QSU
-titleTemplate: Lightweight and extensive utility helpers
+titleTemplate: Powerful utility library
 
 hero:
   name: QSU
-  text: Lightweight and extensive utility helpers
-  tagline: qsu is a package of utilities to energize your programming. It is available for JavaScript/Node.js and Dart/Flutter environments.
+  text: Powerful utility library
+  tagline: qsu is a utility library that contains useful and frequently used functions. It contains useful functions for processing array, object, and string data. Start with your preferred programming language and the latest development environment.
   actions:
     - theme: brand
       text: Introduction
       link: introduction
     - theme: alt
-      text: JavaScript/Node.js
-      link: installation/javascript
+      text: Installation
+      link: installation
     - theme: alt
-      text: Dart/Flutter
-      link: installation/dart
+      text: Reference
+      link: reference
   image:
     src: /icon.png
     alt: Utility

docs/src/en/reference/array/arrCount.md

@@ -13,6 +13,14 @@ Returns the number of duplicates for each unique value in the given array. The a
 
 ## Examples
 
-```javascript
+::: code-group
+
+```javascript [JavaScript]
 arrCount(['a', 'a', 'a', 'b', 'c', 'b', 'a', 'd']); // Returns { a: 4, b: 2, c: 1, d: 1 }
 ```
+
+```dart [Dart]
+arrCount(['a', 'a', 'a', 'b', 'c', 'b', 'a', 'd']); // Returns { a: 4, b: 2, c: 1, d: 1 }
+```
+
+:::

docs/src/en/reference/array/arrGroupByMaxCount.md

@@ -13,7 +13,16 @@ Separates the data in the given array into a two-dimensional array containing on
 
 ## Examples
 
-```javascript
+::: code-group
+
+```javascript [JavaScript]
+arrGroupByMaxCount(['a', 'b', 'c', 'd', 'e'], 2);
+// Returns [['a', 'b'], ['c', 'd'], ['e']]
+```
+
+```dart [Dart]
 arrGroupByMaxCount(['a', 'b', 'c', 'd', 'e'], 2);
 // Returns [['a', 'b'], ['c', 'd'], ['e']]
 ```
+
+:::

docs/src/en/reference/array/arrMove.md

@@ -14,6 +14,14 @@ Moves the position of a specific element in an array to the specified position.
 
 ## Examples
 
-```javascript
+::: code-group
+
+```javascript [JavaScript]
 arrMove([1, 2, 3, 4], 1, 0); // Returns [2, 1, 3, 4]
 ```
+
+```dart [Dart]
+arrMove([1, 2, 3, 4], 1, 0); // Returns [2, 1, 3, 4]
+```
+
+:::

docs/src/ko/index.md

@@ -2,22 +2,22 @@
 layout: home
 
 title: QSU
-titleTemplate: 가벼우면서 광범위한 유틸리티 도우미
+titleTemplate: 강력한 유틸리티 라이브러리
 
 hero:
   name: QSU
-  text: 가벼우면서 광범위한 유틸리티 도우미
-  tagline: qsu는 프로그래밍에 활력을 주는 유틸리티를 모은 패키지입니다. JavaScript/Node.js와 Dart/Flutter 환경에서 사용할 수 있습니다.
+  text: 강력한 유틸 라이브러리
+  tagline: qsu는 유용하고 자주 쓰는 함수를 모아둔 유틸리티 라이브러리입니다. array, object, string 데이터 처리 등의 유용한 함수들이 있습니다. 원하는 프로그래밍 언어와 최신 개발 환경에서 시작하세요.
   actions:
     - theme: brand
       text: 소개
       link: ko/introduction
     - theme: alt
-      text: JavaScript/Node.js
-      link: ko/installation/javascript
+      text: 설치하기
+      link: ko/installation
     - theme: alt
-      text: Dart/Flutter
-      link: ko/installation/dart
+      text: 레퍼런스
+      link: ko/reference
   image:
     src: /icon.png
     alt: Utility

docs/src/ko/installation/index.md

@@ -1,4 +1,4 @@
-# 설치
+# 설치하기
 
 여기에는 `qsu`의 언어별 설치 방법에 대한 설명이 있습니다.
 

docs/src/ko/reference/array/arrCount.md

@@ -13,6 +13,14 @@
 
 ## Examples
 
-```javascript
+::: code-group
+
+```javascript [JavaScript]
 arrCount(['a', 'a', 'a', 'b', 'c', 'b', 'a', 'd']); // Returns { a: 4, b: 2, c: 1, d: 1 }
 ```
+
+```dart [Dart]
+arrCount(['a', 'a', 'a', 'b', 'c', 'b', 'a', 'd']); // Returns { a: 4, b: 2, c: 1, d: 1 }
+```
+
+:::

docs/src/ko/reference/array/arrGroupByMaxCount.md

@@ -13,7 +13,16 @@
 
 ## Examples
 
-```javascript
+::: code-group
+
+```javascript [JavaScript]
+arrGroupByMaxCount(['a', 'b', 'c', 'd', 'e'], 2);
+// Returns [['a', 'b'], ['c', 'd'], ['e']]
+```
+
+```dart [Dart]
 arrGroupByMaxCount(['a', 'b', 'c', 'd', 'e'], 2);
 // Returns [['a', 'b'], ['c', 'd'], ['e']]
 ```
+
+:::

docs/src/ko/reference/array/arrMove.md

@@ -14,6 +14,14 @@
 
 ## Examples
 
-```javascript
+::: code-group
+
+```javascript [JavaScript]
 arrMove([1, 2, 3, 4], 1, 0); // Returns [2, 1, 3, 4]
 ```
+
+```dart [Dart]
+arrMove([1, 2, 3, 4], 1, 0); // Returns [2, 1, 3, 4]
+```
+
+:::