USER STORY: Edit or Update Existing Posts

[Pierreslag]

As an admin user I want to edit or update existing posts so that I can keep the content accurate and up-to-date.

Acceptance Criteria:

1. The admin user should have a visible option to edit or update existing posts in the admin panel.
2. When editing a post, the admin user should be able to modify the title, content, and categories/tags.
3. After making changes, the updated post should reflect the new content and be visible to site visitors.

Tasks:

• [x] Implement the "Edit" option in the admin panel for admin users.
• [x] Configure the backend logic to save the changes made by the admin user and update the post content accordingly.