Refactor SPF advanced patterns documentation and table of contents

- Updated the SPF advanced patterns guide to enhance clarity and structure, including prerequisites and target audience.
- Improved navigation by adding detailed sections for advanced redirect and include patterns in the table of contents.
- Completed various tasks in the todo list, including adding expected output examples, enhancing security sections, and improving documentation quality.
- Ensured all documents are discoverable in DocFX navigation with a proper hierarchy.

Author: josephstreeter