First build system

First draft of a build system. This will run the hello function from our
library.

quantum/src/test.c

@@ -0,0 +1,5 @@
+#include <stdio.h>
+
+#include "test.h"
+
+void hello_quantum() { printf("Hello from Quantum!\n"); }

quantum/src/test.h

@@ -0,0 +1 @@
+void hello_quantum();