Update CANBUS_Communication_Setup.md

Author: traviscea

CANBUS_Communication_Setup.md

@@ -3,6 +3,14 @@ This effectively makes the Arduino a CANBUS node
 
 The specific INO file for HALTECHs or other standalones which is in the project will need to be uploaded to the Arduino via Arduino IDE
 
+In the IDE, the appropriate library needs to be imported.
+Do this by:
+- Going to the top and clikcing: ```Sketch → Include Library → Manage Libraries```
+- Search for ```MCP_CAN_lib```
+- This the libary the CANBUS ino's use ```#include <mcp_can.h>```
+
+
+
 ## Part needed: ##
 https://a.co/d/fVGMQm0