Update README.md

README.md

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-  💫 Quick links 
-  
-  [Metrics Research](METRICS.md)
-</div>
+</div>
+
+<div align="center">
+  <h2> Want to contribute? </h2>
+</div>
+
+- 🥙 Use [kebab-case](https://en.wiktionary.org/wiki/kebab_case) with all lower case letters for naming models/spaces/datasets/metrics. Upper case may be allowed only for acronyms.
+- 🔒 Please mind about making the model/space/dataset public or private. Metrics can (and have to) be public.
+- 🤫 Do not expose passwords or tokens, use [secrets](https://huggingface.co/docs/hub/spaces-overview#managing-secrets).