Add captcha code integration instructions to edit page.

In the captcha tokens edit page, a new section has been added to provide instructions for integrating the captcha code in user's website. This aims to facilitate ease of integration for users, by providing them a readily available code snippet.

lang/en.json

@@ -72,4 +72,5 @@
     "Captcha User Agent does not match": "The CAPTCHA verification state has been rejected because the User Agent does not match. Please check and ensure that you are using the same User Agent.",
     "The time for captcha verification has passed": "The time for captcha verification has passed.",
     "Captcha does not pass verification": "Captcha does not pass verification.",
+    "Add code to the site": "Add code to the site"
 }

lang/ru.json

@@ -71,5 +71,6 @@
     "Captcha verification status view count exceeded": "Количество просмотра статуса проверки капчи превышено!",
     "Captcha User Agent does not match": "Отклонено состояние проверки CAPTCHA, так как User Agent не совпадает. Пожалуйста, проверьте и убедитесь, что вы используете тот же User Agent.",
     "The time for captcha verification has passed": "Время верификации капчи прошло.",
-    "Captcha does not pass verification": "Капча не проходит проверку."
+    "Captcha does not pass verification": "Капча не проходит проверку.",
+    "Add code to the site": "Добавьте код на сайт"
 }