C instance creation

src/utils/gryphn_error_code.h

@@ -4,7 +4,8 @@ typedef enum gnReturnCode_t {
     GN_SUCCESS,
     GN_UNKNOWN_RENDERINGAPI,
     GN_UNSUPPORTED_RENDERING_API,
-    GN_UNABLE_TO_LOAD_DYNAMIC_LIBARRY
+    GN_UNABLE_TO_LOAD_DYNAMIC_LIBARRY,
+    GN_FAILED_CREATE_INSTANCE
 
     // GN_UNKNOWN_ERROR,
     // GN_UNKNOWN_FRAMEBUFFER_ATTACHMENT,
@@ -19,7 +20,6 @@ typedef enum gnReturnCode_t {
     // GN_FAILED_CREATE_PRESENTATION_QUEUE,
     // GN_FAILED_TO_CREATE_FRAMEBUFFER,
     // GN_FAILED_CREATE_RENDERPASS,
-    // GN_FAILED_CREATE_INSTANCE,
     // GN_FAILED_TO_ATTACH_WINDOW,
     // GN_FAILED_TO_CREATE_IMAGE
 } gnReturnCode;