Create README.md

Author: TheKitty

BLE_Client_Server/README.md

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+# Adafruit Learning System tutorial - A CircuitPython BLE Client & Server
+
+Use Bluetooth to turn a server on and off and actively sense the server's status light
+
+Follow the Adafruit learn guide here: https://learn.adafruit.com/circuitpython-ble-client-server/
+
+Adafruit invests time and resources providing this open source code,
+please support Adafruit and open-source hardware by purchasing
+products from [Adafruit](https://www.adafruit.com)!
+ 
+MIT license, project and code by rdagger
+
+All text above, and the splash screen below must be included in any redistribution
+
+-----------------------
+If you are looking to make changes/additions, please use the GitHub Issues and Pull Request mechanisms.