feat:‌ Add CopyText button to InlineKeyboardButton for text copy functionality

[pooriadarvishi]

Description:

This PR introduces a new feature to the InlineKeyboardButton by adding a CopyText button. This button allows the user to copy a verification code or any specified text to the clipboard when clicked. This can be particularly useful for verification processes or other use cases where copying text quickly is required.

Changes:

• Added CopyText field to InlineKeyboardButton.
• Created a new function NewInlineKeyboardButtonCopyText to simplify the creation of this button with custom text and copy functionality.

Why:

This feature enhances the user experience by providing a quick way to copy verification codes or other important text without the need to manually select it. It's useful for chatbots or systems that require frequent use of copied data.