Update README.md

README.md

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 license: apache-2.0
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-embeddings is a repo for quantized bert models in ggml format
+# embeddings
+embeddings is a repo for quantized bert models in ggml format.
+
+### usage
+You can utilize [bert.cpp](https://github.com/skeskinen/bert.cpp) as usual or use [our new api](https://rapidapi.com/nohakcoffee/api/simple-similarity) to quickly test it out.