Add initial project files (excluding ignored content)

external/safetyhook/example/minimal.cpp

@@ -0,0 +1,28 @@
+#include <print>
+
+#include <safetyhook.hpp>
+
+SAFETYHOOK_NOINLINE int add(int x, int y) {
+    return x + y;
+}
+
+SafetyHookInline g_add_hook{};
+
+int hook_add(int x, int y) {
+    return g_add_hook.call<int>(x * 2, y * 2);
+}
+
+int main() {
+    std::println("unhooked add(2, 3) = {}", add(2, 3));
+
+    // Create a hook on add.
+    g_add_hook = safetyhook::create_inline(reinterpret_cast<void*>(add), reinterpret_cast<void*>(hook_add));
+
+    std::println("hooked add(3, 4) = {}", add(3, 4));
+
+    g_add_hook = {};
+
+    std::println("unhooked add(5, 6) = {}", add(5, 6));
+
+    return 0;
+}