Add qemu documentation

SamyPesse · SamyPesse · commit df25c7fabeea · 2013-12-06T09:22:04.000+01:00
diff --git a/Chapter-2/README.md b/Chapter-2/README.md
@@ -59,5 +59,7 @@ Test our operating system with qemu:
 make run
 ```
 
+The documentation for quemu is available at [QUEMU Emulator Documentation](http://wiki.qemu.org/download/qemu-doc.html).
 
+You can exit the emulator using: <Ctrl-a x>.
 
