docs: update theme guide

src/content/posts/guides/Theme Guide-en.md

@@ -282,10 +282,19 @@ body{color:oklch(25% 0.005 298)} /* Font color */
 
 ## Creating a New Post
 
-Create a new file with `.md` or `.mdx` extension in the `src/content/posts/` directory, and add `Front Matter` metadata at the top of the file.
+Run `pnpm new-post <filename>` to create a new post, which can then be edited in the `src/content/posts/` directory.
+
+```bash
+pnpm new-post                      ->  src/content/posts/new-post.md
+pnpm new-post first-post           ->  src/content/posts/first-post.md
+pnpm new-post 2025/03/first-post   ->  src/content/posts/2025/03/first-post.md
+pnpm new-post first-post.mdx       ->  src/content/posts/first-post.mdx
+```
 
 ### Front Matter
 
+Only `title` and `published` are required fields, all other configurations can be safely omitted.
+
 ```markdown
 ---
 # Required

src/content/posts/guides/Theme Guide-es.md

@@ -282,10 +282,19 @@ body{color:oklch(25% 0.005 298)} /* Color de fuente */
 
 ## Creación de un Nuevo Artículo
 
-Crea un nuevo archivo con extensión `.md` o `.mdx` en el directorio `src/content/posts/`, y añade los metadatos `Front Matter` en la parte superior del archivo.
+Ejecuta `pnpm new-post <filename>` para crear un nuevo artículo, que luego puede editarse en el directorio `src/content/posts/`.
+
+```bash
+pnpm new-post                      ->  src/content/posts/new-post.md
+pnpm new-post first-post           ->  src/content/posts/first-post.md
+pnpm new-post 2025/03/first-post   ->  src/content/posts/2025/03/first-post.md
+pnpm new-post first-post.mdx       ->  src/content/posts/first-post.mdx
+```
 
 ### Front Matter
 
+Solo los campos `title` y `published` son obligatorios, todas las demás configuraciones pueden omitirse de forma segura.
+
 ```markdown
 ---
 # Obligatorio

src/content/posts/guides/Theme Guide-ja.md

@@ -282,10 +282,19 @@ body{color:oklch(25% 0.005 298)} /* フォントカラー */
 
 ## 新しい記事の作成
 
-`src/content/posts/` ディレクトリに `.md` または `.mdx` 拡張子を持つ新しいファイルを作成し、ファイルの先頭に `Front Matter` メタデータを追加します。
+`pnpm new-post <filename>` を実行して新しい記事を作成し、`src/content/posts/` ディレクトリで編集できます。
+
+```bash
+pnpm new-post                      ->  src/content/posts/new-post.md
+pnpm new-post first-post           ->  src/content/posts/first-post.md
+pnpm new-post 2025/03/first-post   ->  src/content/posts/2025/03/first-post.md
+pnpm new-post first-post.mdx       ->  src/content/posts/first-post.mdx
+```
 
 ### Front Matter
 
+`title` と `published` のみが必須フィールドで、他のすべての設定は安全に省略できます。
+
 ```markdown
 ---
 # 必須

src/content/posts/guides/Theme Guide-ru.md

@@ -282,10 +282,19 @@ body{color:oklch(25% 0.005 298)} /* Цвет шрифта */
 
 ## Создание новой статьи
 
-Создайте новый файл с расширением `.md` или `.mdx` в директории `src/content/posts/`, и добавьте метаданные `Front Matter` в верхней части файла.
+Выполните команду `pnpm new-post <filename>` для создания новой статьи, которую затем можно редактировать в директории `src/content/posts/`.
+
+```bash
+pnpm new-post                      ->  src/content/posts/new-post.md
+pnpm new-post first-post           ->  src/content/posts/first-post.md
+pnpm new-post 2025/03/first-post   ->  src/content/posts/2025/03/first-post.md
+pnpm new-post first-post.mdx       ->  src/content/posts/first-post.mdx
+```
 
 ### Front Matter
 
+Только поля `title` и `published` являются обязательными, все остальные конфигурации можно безопасно опустить.
+
 ```markdown
 ---
 # Обязательные
@@ -332,15 +341,15 @@ abbrlink: theme-guide
 # moreLocales: ['es', 'ru']
 
 # lang: ''
-src/content/posts/apple.md   ->  example.com/posts/apple/
-                             ->  example.com/es/posts/apple/
-                             ->  example.com/ru/posts/apple/
+src/content/posts/apple.md  ->  example.com/posts/apple/
+                            ->  example.com/es/posts/apple/
+                            ->  example.com/ru/posts/apple/
 # lang: en
-src/content/posts/apple.md   ->  example.com/posts/apple/
+src/content/posts/apple.md  ->  example.com/posts/apple/
 # lang: es
-src/content/posts/apple.md   ->  example.com/es/posts/apple/
+src/content/posts/apple.md  ->  example.com/es/posts/apple/
 # lang: ru
-src/content/posts/apple.md   ->  example.com/ru/posts/apple/
+src/content/posts/apple.md  ->  example.com/ru/posts/apple/
 ```
 
 #### abbrlink

src/content/posts/guides/Theme Guide-zh-tw.md

@@ -282,11 +282,20 @@ body{color:oklch(25% 0.005 298)} /* 字體顏色 */
 
 ## 創建新文章
 
-在 `src/content/posts/` 目錄中新建以 `.md` 或 `.mdx` 為後綴的文件，並在文件頂部添加 `Front Matter` 元數據。
+執行 `pnpm new-post <filename>` 創建新文章，可在 `src/content/posts/` 目錄中編輯。
+
+```bash
+pnpm new-post                      ->  src/content/posts/new-post.md
+pnpm new-post first-post           ->  src/content/posts/first-post.md
+pnpm new-post 2025/03/first-post   ->  src/content/posts/2025/03/first-post.md
+pnpm new-post first-post.mdx       ->  src/content/posts/first-post.mdx
+```
 
 ### Front Matter
 
-```markdown
+`title` 和 `published` 為必填項，其餘配置均可安全刪除。
+
+```md
 ---
 # 必填
 title: 主題上手指南

src/content/posts/guides/Theme Guide-zh.md

@@ -282,11 +282,20 @@ body{color:oklch(25% 0.005 298)} /* 字体颜色 */
 
 ## 创建新文章
 
-在 `src/content/posts/` 目录中新建以 `.md` 或 `.mdx` 为后缀的文件，并在文件顶部添加 `Front Matter` 元数据。
+执行 `pnpm new-post <filename>` 创建新文章，可在 `src/content/posts/` 目录中编辑。
+
+```bash
+pnpm new-post                      ->  src/content/posts/new-post.md
+pnpm new-post first-post           ->  src/content/posts/first-post.md
+pnpm new-post 2025/03/first-post   ->  src/content/posts/2025/03/first-post.md
+pnpm new-post first-post.mdx       ->  src/content/posts/first-post.mdx
+```
 
 ### Front Matter
 
-```markdown
+`title` 和 `published` 为必填项，其余配置均可安全删除。
+
+```md
 ---
 # 必填
 title: 主题上手指南