Adding a reference to new page on Symbolic-Debugging

Getting-Started-STM.md

@@ -22,3 +22,6 @@ For Ubuntu 14.04, I did:
 ```bash
 sudo apt-get install libc6:i386
 ```
+
+#Using Symbolic Debugging
+Symbolics can be useful for module or hardware integration testing, for more info https://github.com/micropython/micropython/wiki/Symbolic-Debugging