ollamaPackages: reintroduce docs from the deleted scope-level package.nix, as README.md

pkgs/ollamaPackages/README.md

@@ -0,0 +1,18 @@
+## ollama model format
+ollama API isn't documented anywhere, and it has changed over time, but it's alluded to in a few places.
+1. it's similar to an "OCI registry".
+2. mention of endpoint: <https://github.com/ollama/ollama/issues/6470>
+- `https://registry.ollama.ai/v2/library/$model/manifests/$variant`
+
+## choosing a model
+### for coding:
+- <https://huggingface.co/spaces/mike-ravkine/can-ai-code-results>
+- <https://eqbench.com/>
+- <https://evalplus.github.io/leaderboard.html>
+
+### for sensitive/illicit things ("Uncensored General Intelligence"):
+- <https://huggingface.co/spaces/DontPlanToEnd/UGI-Leaderboard>
+- <https://www.reddit.com/r/LocalLLaMA/comments/1hk0ldo/december_2024_uncensored_llm_test_results/>
+- search "abliterated" or "abliterate"
+- search "uncensored"
+- search "Eric Hartford" <https://erichartford.com/uncensored-models>