feat(kcp, pfa): Add kcp::Spinlock class

kernel/src/Main.cpp

@@ -96,12 +96,13 @@ extern "C" void kmain() {
 #if defined (__x86_64__)
     Hal::IDTInitialize();
 #endif
-    kcp::NoMallocVector<int> hello{};
+    kcp::noHeapVector<int> hello{};
+
     hello.push_back(10);
     hello.push_back(20);
     hello.push_back(30);
 
     kout << base::dec << hello.at(0) << hello.at(1) << hello.at(2) << newline;
-
+    
     hcf();
 }