Add my GPS to Serial app because it uses usb-serial-for-android library

Projects-Using-usb-serial-for-android.md

@@ -10,6 +10,7 @@
 * [ThermoApp](https://thebluewriter.wixsite.com/thermoapp) -- Infrared Temperature sensor with companion Android App
 * [ELMScan Adapter Validator](https://play.google.com/store/apps/details?id=com.elmscansoft.elmscanadaptervalidator) -- Identification of ELM327 clones and determination of their quality
 * [Microcontroller Remote](https://play.google.com/store/apps/details?id=tk.michaelmckey.microcontrollerremote) -- remote control app
+* [GPS to Serial](https://github.com/XxOinvizioNxX/GPS-to-Seria) -- App to send phone GPS coordinates via USB serial port
 
 ## Libraries, Frameworks, and Tools