Update README.md

README.md

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 license: bsd-2-clause
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-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+# Demo Shiny App with Maplibre + open LLM interface
+
+:hugs: Shiny App on Huggingface: <https://huggingface.co/spaces/boettiger-lab/geo-llm-r>
+
+Work in progress.  This is a proof-of-principle for an LLM-driven interface to dynamic mapping. Key technologies include duckdb, geoparquet, pmtiles, maplibre, open LLMs (via VLLM + LiteLLM).  R interface through ellmer (LLMs), mapgl (maplibre), shiny, and duckdb.