added vulkan extension initialize

src/vulkan_util.h

@@ -0,0 +1,21 @@
+#pragma once
+#include "emulator.h"
+#include <SDL.h>
+#include <vector>
+#include <src/video/khronos/vulkan/vulkan_core.h>
+
+namespace Graphics::Vulkan {
+
+struct VulkanExt {
+    bool enable_validation_layers = false;
+
+    std::vector<const char*> required_extensions;
+    std::vector<VkExtensionProperties> available_extensions;
+    std::vector<const char*> required_layers;
+    std::vector<VkLayerProperties> available_layers;
+};
+
+void vulkanCreate(Emulator::WindowCtx *ctx);
+void vulkanGetExtensions(VulkanExt* ext);
+
+};