adding D3D11 base, working on Vulkan backend

Sources/Backends/Vulkan/VulkanLoader.h

@@ -0,0 +1,22 @@
+// Copyright (C) 2024 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#ifdef PULSE_ENABLE_VULKAN_BACKEND
+
+#ifndef PULSE_VULKAN_LOADER_H_
+#define PULSE_VULKAN_LOADER_H_
+
+#include <stdbool.h>
+
+typedef struct VulkanInstance VulkanInstance;
+typedef struct VulkanDevice VulkanDevice;
+
+bool VulkanInitLoader();
+bool VulkanLoadInstance(VulkanInstance* instance);
+bool VulkanLoadDevice(VulkanInstance* instance, VulkanDevice* device);
+void VulkanLoaderShutdown();
+
+#endif // PULSE_VULKAN_LOADER_H_
+
+#endif // PULSE_ENABLE_VULKAN_BACKEND