Add RS485-Wrapper

Author: TristanWarder

.gitmodules

@@ -412,3 +412,6 @@
 [submodule "libraries/helpers/p1am_200_helpers"]
 	path = libraries/helpers/p1am_200_helpers
 	url = https://github.com/facts-engineering/CircuitPython_p1am_200_helpers.git
+[submodule "libraries/helpers/RS485-Wrapper"]
+	path = libraries/helpers/RS485-Wrapper
+	url = https://github.com/facts-engineering/CircuitPython_rs485_wrapper.git

circuitpython_community_library_list.md

@@ -143,4 +143,5 @@ Here is a listing of current CircuitPython Community Libraries. These libraries
 * [P1AM](https://github.com/facts-engineering/CircuitPython_P1AM.git) A CircuitPython driver library for the P1AM product family.
 * [p1am_200_helpers](https://github.com/facts-engineering/CircuitPython_p1am_200_helpers.git) A CircuitPython helper library for the features of the P1AM-200.
 * [PCF85063A](https://github.com/bablokb/circuitpython-pcf85063a) A CircuitPython library for the PCF85063A RTC
+* [RS485-Wrapper](https://github.com/facts-engineering/CircuitPython_rs485_wrapper.git) A CircuitPython helper library to convert a UART object into an RS485 object.
 * [Cirque Pinnacle](https://github.com/2bndy5/CircuitPython_Cirque_Pinnacle) A driver library to use circular trackpads (as seen in the Steam controller and HTC Vive VR controllers) empowered with Cirque's 1CA027 ASIC (surnamed "Pinnacle"). More information can be found in the [documentation](https://circuitpython-cirque-pinnacle.rtfd.io).