Add dynamic author ID based on the author email from post content

[kahnu044]

This pull request introduces functionality to dynamically set the author ID based on the email provided in a new property field named author in the markdown file.

The process involves:

1. Checking if the author field is provided in the markdown file.
2. Fetching the user object using the email.
3. Updating the dynamic user ID if a matching user is found.

This enhancement ensures that posts are accurately attributed to the correct author based on the provided email address.

Changes include:

• Variable renaming for better readability and consistency.
• Added checks and logic to dynamically assign the user ID.

Please review the changes and let me know if any adjustments are needed.

[princetechs]

wow its, help full and looking for the update, thanks guys.