Added a list of papers for Brain Computer Interface. (#586)

* created ReadMe

* Update and rename Brain–computer Interface/README.md to Brain-computer Interface/README.md

* Updating Readme as per @hakutsuru's review

* Update README.md

brain-computer-interface/README.md

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+# Brain–computer Interface
+
+- [Brain-computer interfaces for communication and control](http://www.cs.cmu.edu/~tanja/BCI/BCIreview.pdf)
+- [Breaking the silence: Brain-computer interfaces (BCI) for communication and motor control](https://onlinelibrary.wiley.com/doi/full/10.1111/j.1469-8986.2006.00456.x)
+- [Learning to Control a Brain–Machine Interface for Reaching and Grasping by Primates](https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.0000042)
+- [BrainNet: A Multi-Person Brain-to-Brain Interface for Direct Collaboration Between Brains](https://arxiv.org/pdf/1809.08632.pdf)