PID request for GEX USB module and wireless dongle (#306)

* Added GEX pid codes

* updated source links to concrete repositories

1209/4c60/index.md

@@ -0,0 +1,11 @@
+---
+layout: pid
+title: GEX USB module
+owner: MightyPork
+license: MPLv2
+site: https://gexpander.github.io/
+source: https://github.com/gexpander/gex-core https://github.com/gexpander/gex-hardware
+---
+GEX is a general purpose input/output module with a USB or wireless 
+connection that provides user-friendly access to low-level hardware 
+buses and functions using a high-level programming interface.

1209/4c61/index.md

@@ -0,0 +1,9 @@
+---
+layout: pid
+title: GEX wireless dongle
+owner: MightyPork
+license: MPLv2
+site: https://gexpander.github.io/
+source: https://github.com/gexpander
+---
+USB dongle providing wireless access to GEX modules.

org/MightyPork/index.md

@@ -0,0 +1,7 @@
+---
+layout: org
+title: MightyPork
+site: https://www.ondrovo.com/
+---
+My name is Ondřej Hruška, I'm a hobbyist working on 
+fun embedded projects and open source software.