Separate headers from src and make the headers hpp

Signed-off-by: somebody_master <somebody_master@somebodyserver.mooo.com>

gdextension/src/register_types.cpp

@@ -3,7 +3,7 @@
  * This is free and unencumbered software released into the public domain.
  */
 
-#include "register_types.h"
+#include "register_types.hpp"
 
 #include <gdextension_interface.h>
 
@@ -11,7 +11,7 @@
 #include <godot_cpp/core/defs.hpp>
 #include <godot_cpp/godot.hpp>
 
-#include "test.h"
+#include "test.hpp"
 
 using namespace godot;
 

gdextension/src/register_types.h

@@ -1,16 +0,0 @@
-/* godot-cpp integration testing project.
- *
- * This is free and unencumbered software released into the public domain.
- */
-
-#ifndef EXAMPLE_REGISTER_TYPES_H
-#define EXAMPLE_REGISTER_TYPES_H
-
-#include <godot_cpp/core/class_db.hpp>
-
-using namespace godot;
-
-void initialize_test_module(ModuleInitializationLevel p_level);
-void uninitialize_test_module(ModuleInitializationLevel p_level);
-
-#endif // EXAMPLE_REGISTER_TYPES_H

gdextension/src/test.cpp

@@ -1,4 +1,4 @@
-#include "test.h"
+#include "test.hpp"
 
 #include <godot_cpp/variant/utility_functions.hpp>
 

gdextension/src/test.h

@@ -1,17 +0,0 @@
-#ifndef TEST_H
-#define TEST_H
-
-#include <godot_cpp/classes/node3d.hpp>
-
-using namespace godot;
-
-class Test : public Node3D {
-	GDCLASS(Test, Node3D);
-
-public:
-	void start_test();
-
-protected:
-	static void _bind_methods();
-};
-#endif