Update README.md

Author: aschuerch

README.md

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-Shell genomics lessons
+# Shell Genomics lessons
+
+An introduction to the Unix shell for people working with genomics data. This lesson is part of the [Data Carpentry Genomics Workshop](http://www.datacarpentry.org/genomics-workshop/). Please see http://www.datacarpentry.org/shell-genomics/ for a rendered version of this material.
+
+## Contribution
+
+Make a suggestion or correct an error by [raising an Issue](https://github.com/datacarpentry/shell-genomics/issues).
+
+## Code of Conduct
+
+All participants should agree to abide by the [Data Carpentry Code of Conduct](http://www.datacarpentry.org/code-of-conduct/).
+
+## Authors
+
+Shell Genomics is authored and maintained by the [community](https://github.com/datacarpentry/shell-genomics/network/members). This repository is maintained by [Bastian Greshake Tzovaras](https://github.com/gedankenstuecke), [Shichen Wang](https://github.com/swang8), [Sue McClatchy](https://github.com/smcclatchy) and [Anita Schürch](https://github.com/aschuerch)
+
+## Citation
+
+Please cite as:
+
+Shell Genomics. November 2017. http://datacarpentry.github.io/shell-genomics/.