Create README.md

Author: TheKitty

Adafruit_DS2413/README.md

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+## Adafruit_DS2413
+
+------------------------
+
+Driver for the Adafruit DS2413 One Wire Dual Switch
+
+This library makes use of the One Wire library from PJRC, which is available at: http://www.pjrc.com/teensy/td_libs_OneWire.html
+
+For more details on the project, please visit https://learn.adafruit.com/adafruit-1-wire-gpio-breakout-ds2413/onewire-library
+
+Adafruit invests time and resources providing this open source design, 
+please support Adafruit and open-source hardware by purchasing products from [Adafruit](https://www.adafruit.com)!
+
+MIT License, attribution appreciated
+
+----------------------------------
+This code was migrated from repo https://github.com/adafruit/Adafruit_DS2413 which was then archived.
+
+If you would like this repo modified, please use the GitHub Issues and Pull Request mechanisms to note changes. Adafruit 
+welcomes pull requests to fix or improve code.