first vulkan function loaded with new loader

projects/apis/vulkan/loader/vulkan_instance_loader.c

@@ -0,0 +1,8 @@
+#include "vulkan_loader.h"
+#include "instance/vulkan_instance.h"
+
+gnInstanceFunctions loadVulkanFunctions(gnRenderingAPI api) {
+    return (gnInstanceFunctions){
+        ._gnCreateInstance = createInstance
+    };
+}