docs: mark vp-raw element as code to avoid error when copy-pasting

closes #4539

docs/en/guide/markdown.md

@@ -255,7 +255,7 @@ This is a special container that can be used to prevent style and router conflic
 
 ```md
 ::: raw
-Wraps in a <div class="vp-raw">
+Wraps in a `<div class="vp-raw">`
 :::
 ```
 

docs/es/guide/markdown.md

@@ -234,7 +234,7 @@ Este es un recipiente especial que puee ser usado para evitar conflictos de esti
 
 ```md
 ::: raw
-Envuelve en un <div class="vp-raw">
+Envuelve en un `<div class="vp-raw">`
 :::
 ```
 

docs/fa/guide/markdown.md

@@ -233,7 +233,7 @@ export default defineConfig({
 
 ```md
 ::: raw
-بسته‌بندی در یک <div class="vp-raw">
+بسته‌بندی در یک `<div class="vp-raw">`
 :::
 ```
 

docs/ko/guide/markdown.md

@@ -233,7 +233,7 @@ export default defineConfig({
 
 ```md
 ::: raw
-<div class="vp-raw">로 감쌉니다
+`<div class="vp-raw">`로 감쌉니다
 :::
 ```
 

docs/pt/guide/markdown.md

@@ -233,7 +233,7 @@ Este é um recipiente especial que pode ser usado para evitar conflitos de estil
 
 ```md
 ::: raw
-Envolve em um <div class="vp-raw">
+Envolve em um `<div class="vp-raw">`
 :::
 ```
 

docs/ru/guide/markdown.md

@@ -259,7 +259,7 @@ console.log('Привет, VitePress!')
 
 ```md
 ::: raw
-Заворачивается в <div class="vp-raw">
+Заворачивается в `<div class="vp-raw">`
 :::
 ```
 

docs/zh/guide/markdown.md

@@ -233,7 +233,7 @@ export default defineConfig({
 
 ```md
 ::: raw
-Wraps in a <div class="vp-raw">
+Wraps in a `<div class="vp-raw">`
 :::
 ```