"Adds skeleton page for RAG"

[benWallace57]

Description

❓What: placeholder for RAG page

🧠Why?: Ben needed a QR for the haca poster and needs a placeholder page to fill after the HACA deadline

👨‍💻How?: create new project page

Checklist:

Have checked for the following:

• [ ] The website still builds correctly, and you can view it using mkdocs serve.
• [ ] There are no new "warnings" from mkdocs
• [ ] Does your page follow the page template (or here in Markdown)? (need to make a new one specific to NHSE Data Science)
• [ ] Spelling errors
• [ ] Consistent capitalization
• [ ] Consistent numbers
• [ ] Material features incorrectly implemented: search for code blocks and markers (e.g. !!!).
• [ ] Code snippets don't work
• [ ] Images not working
• [ ] Links not working

Where it was tested

• Github Codespaces - 2-core, 4GB RAM, 32GB hard drive
• devcontainer.json describes further settings

[SamHollings]

I converted this to a draft, as the pull request isn't finished (not PR template not filled in and content isn't complete)