Hi friend, I believe the site will come back soon since – refering to our last conversation – now even https://huggingface.co/qa/ 19 is back after several days of down-time …
BTW, the RAG link is not about blog but it’s a RAG demo similar to the long-form QA demo we have discussed. I still have the screen-capture of the link , so I post them here as teasers for you while you are waiting 
RAG_demo1886×921 271 KB
RAG_demo21911×864 233 KB