added information about web examples for english document (SeleniumHQ#2492)

* added information about web examples for the english document

* Replicating change from contributing.en.md to other files

---------

[deploy site]

Author: rpallavisharma

website_and_docs/content/documentation/about/contributing.en.md

@@ -79,6 +79,9 @@ Make sure that if you add a test to the page that all the other line numbers in
 correct. Adding a test at the top of a page means updating every single reference in the documentation that has a line
 number for that file.
 
+Code examples may need a relevant website or web page to demonstrate the scenario. To ensure examples consistently work, 
+it is recommended to use the test web pages available at https://www.selenium.dev/selenium/web/.
+
 Finally, make sure that the tests pass in the CI.
 
 

website_and_docs/content/documentation/about/contributing.ja.md

@@ -63,6 +63,9 @@ Seleniumのすべてのコンポーネントは、時間の経過とともに非
 ページにテストを追加する場合は、Markdownファイル内の他のすべての行番号が正しいことを確認してください。
 ページの先頭にテストを追加すると、そのファイルの行番号を持つドキュメント内のすべての参照が更新されます。
 
+Code examples may need a relevant website or web page to demonstrate the scenario. To ensure examples consistently work,
+it is recommended to use the test web pages available at https://www.selenium.dev/selenium/web/.
+
 最後に、CIでテストがPassすることを確認してください。
 
 

website_and_docs/content/documentation/about/contributing.pt-br.md

@@ -80,6 +80,9 @@ Make sure that if you add a test to the page that all the other line numbers in
 correct. Adding a test at the top of a page means updating every single reference in the documentation that has a line
 number for that file.
 
+Code examples may need a relevant website or web page to demonstrate the scenario. To ensure examples consistently work,
+it is recommended to use the test web pages available at https://www.selenium.dev/selenium/web/.
+
 Finally, make sure that the tests pass in the CI.
 
 

website_and_docs/content/documentation/about/contributing.zh-cn.md

@@ -75,6 +75,9 @@ Make sure that if you add a test to the page that all the other line numbers in
 correct. Adding a test at the top of a page means updating every single reference in the documentation that has a line
 number for that file.
 
+Code examples may need a relevant website or web page to demonstrate the scenario. To ensure examples consistently work,
+it is recommended to use the test web pages available at https://www.selenium.dev/selenium/web/.
+
 Finally, make sure that the tests pass in the CI.