switching to cmake; alyson setup

src/main.cpp

@@ -0,0 +1,16 @@
+#include <colysis.h>
+#include <iostream>
+#include <alyson.hpp>
+
+int init() {
+    std::cout << "colysis: init" << std::endl;
+    return 0;
+}
+
+void update(float dt) {
+
+}
+
+void render(float dt) {
+
+}