Add vk_pica translation unit

Intended for conversions and utils between PICA definitions and Vulkan.

include/renderer_vk/vk_pica.hpp

@@ -0,0 +1,12 @@
+#pragma once
+
+#include "PICA/gpu.hpp"
+#include "helpers.hpp"
+#include "vk_api.hpp"
+
+namespace Vulkan {
+
+	vk::Format colorFormatToVulkan(PICA::ColorFmt colorFormat);
+	vk::Format depthFormatToVulkan(PICA::DepthFmt depthFormat);
+
+}  // namespace Vulkan