Adds a hello message from the plugin

Adds a simple console output message to confirm the plugin
is correctly loaded and initialized. This serves as a basic
smoke test and helps with debugging.

include/lumenite_api.h

@@ -1,6 +1,8 @@
 #ifndef LUMENITE_API_H
 #define LUMENITE_API_H
 
+#include <iostream>
+
 extern "C"
 {
 #include "lua.h"

plugin.cpp

@@ -1,3 +1,6 @@
+#include <iostream>
+#include <bits/ostream.tcc>
+
 #include "lumenite_api.h"
 
 
@@ -5,8 +8,8 @@
 // ─────────────────────────────────────────────────────────────────────────────
 //!   Plugin Metadata Declaration
 //   This macro registers the plugin with Lumenite and defines its:
-//   - Plugin name    → from PLUGIN_NAME (defined in CMakeLists.txt)
-//   - Plugin version → from PLUGIN_VERSION (defined in CMakeLists.txt)
+//   - Plugin name    -> from PLUGIN_NAME (defined in CMakeLists.txt)
+//   - Plugin version -> from PLUGIN_VERSION (defined in CMakeLists.txt)
 //
 //   To change the plugin name or version, edit the following lines in CMakeLists.txt:
 //
@@ -43,6 +46,7 @@ static int lua_add(lua_State *L)
 //
 extern "C" int luaopen_plugin(lua_State *L)
 {
+    std::cout << "Hello from C++ plugin!" << std::endl;
     lua_newtable(L);
 
     // plugin.message = "Hello from Lumenite C++ plugin!"