docs: update nodejs script for formatting the documentation to be the correct npm run fmt from the package, as the npm run format does not exist

```
❯ npm run format
npm error Missing script: "format"
npm error
npm error To see a list of scripts, run:
npm error   npm run

❯ npm run
Scripts available in undefined via `npm run-script`:
  fmt
    prettier --write '.vitepress/{config,navbars,sidebars}.ts' '.vitepress/theme/**/*'
  dev
    vitepress dev
  build
    vitepress build
  preview
    vitepress preview
```

Author: chrispelzer

docs/contribute/documentation.md

@@ -50,7 +50,7 @@ npm run dev
 Format the code before committing:
 
 ```shell
-npm run format
+npm run fmt
 ```
 
 ## Pull Requests, Releases & Conventional Commits

docs/ja-jp/contribute/documentation.md

@@ -50,7 +50,7 @@ npm run dev
 コミットする前にコードをフォーマットするには、次のように実行します:
 
 ```shell
-npm run format
+npm run fmt
 ```
 
 ## プルリクエスト、リリース、Conventional Commits

docs/ko-kr/contribute/documentation.md

@@ -50,7 +50,7 @@ npm run dev
 커밋 전 코드 형식 맞추기:
 
 ```shell
-npm run format
+npm run fmt
 ```
 
 ## 풀 리퀘스트, 릴리스 & 관습적 커밋

docs/pt-br/contribute/documentation.md

@@ -52,7 +52,7 @@ npm run dev
 Formate o código antes de confirmar:
 
 ```shell
-npm run format
+npm run fmt
 ```
 
 ## Pull Requests, Releases e Commits Convencionais

docs/zh-hans/contribute/documentation.md

@@ -50,7 +50,7 @@ npm run dev
 在提交之前格式化代码：
 
 ```shell
-npm run format
+npm run fmt
 ```
 
 ## 拉取请求、发布以及约定式提交