Started testing the GC

Co-authored-by: ValterMiari <ValterMiari@users.noreply.github.com>

src/GC/tests/linker.cpp

@@ -0,0 +1,30 @@
+#include <stdio.h>
+
+#include "heap.hpp"
+
+struct Obj {
+    int a;
+    int b;
+    int c;
+};
+
+int main() {
+    auto heap = GC::Heap::the2();
+
+    std::cout << "heap:\t" << heap << std::endl;
+    
+    auto obj = static_cast<Obj *>(heap->alloc(sizeof(Obj)));
+
+    std::cout << "obj: \t" << obj << std::endl;
+
+    obj->a = 3;
+    obj->b = 4;
+    obj->c = 5;
+
+    std::cout << obj->a << ", " << obj->b << ", " << obj->c << std::endl;
+
+    heap->print_contents();
+    //delete heap;
+
+    return 0;
+}