Prepare VAG loading

src/Library/src/File/Processor/vag_processor.cpp

@@ -0,0 +1,23 @@
+#include <PSX/File/file_processor_helper.hpp>
+#include <stdio.hpp>
+
+#ifdef __SUPPORT_VAG__
+namespace JabyEngine {
+    namespace FileProcessor {
+        struct VAGState {
+            static constexpr VAGState create() {
+                return VAGState{};
+            }
+        };
+
+        static Progress parse_header(State::Configuration& config, VAGState& state) {
+            printf("What am I supposed to do?!\n");
+            return Progress::Error;
+        }
+
+        State create(const uint32_t* data_adr, const VAG& file) {
+            return State::from(VAGState::create(), data_adr, parse_header);
+        }
+    }
+}
+#endif // __SUPPORT_VAG__