JS engine version v1.0.3 for Duo

* Exactly Based on Espruino version 1v86

* Working with Duo system firmware version v0.2.4

JS engine version v1.0.1 for Duo

* Based Espruino version 1v85

* Working with Duo system firmware version v0.2.3

Cherry pick commit ca8ab9a based v1.0.0:

• Fix the bug unable creating socket.

JS engine version v1.0.2 for Duo

* Based Espruino version 1v85

* Working with Duo system firmware version v0.2.3

• Add mDNS broadcasting on port 23
• Update Espruino core source code

JS engine version v1.0.0 for Duo

* Based Espruino version 1v85

* Working with Duo system firmware version v0.2.3

Features

1. digital pin functions
2. analog pin functions
3. watch pin function
4. time interval functions
5. save and load js file
6. WiFi
7. BLE
   8, SPI
8. I2C

JS engine version v1.0.0-rc1 for Duo

* Based Espruino version 1v85

* Working with Duo system firmware version v0.2.3

Features

1. digital pin functions
2. analog pin functions
3. watch pin function
4. time interval functions
5. save and load js file