Link to llm tag on my blog

Also test the new `stable` docs mechanism.

Author: simonw

docs/index.md

@@ -15,6 +15,8 @@ Background on this project:
 - [Run Llama 2 on your own Mac using LLM and Homebrew](https://simonwillison.net/2023/Aug/1/llama-2-mac/)
 - [Catching up on the weird world of LLMs](https://simonwillison.net/2023/Aug/3/weird-world-of-llms/)
 
+For more check out [the llm tag](https://simonwillison.net/tags/llm/) on my blog.
+
 ## Quick start
 
 First, install LLM using `pip` or Homebrew: