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README.md

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 # Openskill-RS
 
+![Crates.io Version](https://img.shields.io/crates/v/openskill?link=https%3A%2F%2Fcrates.io%2Fcrates%2Fopenskill) ![Crates.io License](https://img.shields.io/crates/l/openskill)
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 ## Description
 Rust Implementation of the [Weng-Lin Rating](https://www.csie.ntu.edu.tw/~cjlin/papers/online_ranking/online_journal.pdf).