Add link to contributing.md
Dask is a community maintained project. We welcome contributions in the form of bug reports, documentation, code, design proposals, and more.
-For general information on how to contribute see https://docs.dask.org/en/latest/develop.html.
+Please see https://distributed.dask.org/en/latest/develop.html for more information.
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+Also for general information on how to contribute see https://docs.dask.org/en/latest/develop.html.
