publish libraries to avoid users to have to download them one by one

lib/ESP32_BLE_Arduino/README.md

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+# ESP32 BLE for Arduino
+The Arduino IDE provides an excellent library package managed where versions of libraries can be downloaded and installed.  This Github project provides the repository for the ESP32 BLE support for Arduino.
+
+The actual source of the project which is being maintained can be found here:
+
+https://github.com/nkolban/esp32-snippets
+
+Issues and questions should be raised here:
+
+https://github.com/nkolban/esp32-snippets/issues
+
+
+Documentation for using the library can be found here:
+
+https://github.com/nkolban/esp32-snippets/tree/master/Documentation