Create y2024_bot3 folder

Change-Id: Iee232bde58c0425920a49eee145a0f93c7485391
Signed-off-by: Yash Maheshwari <yashmahe2018@gmail.com>
Signed-off-by: James (Peilun) Li <jamespeilunli@gmail.com>
diff --git a/y2024_bot3/constants/constants_formatter.cc b/y2024_bot3/constants/constants_formatter.cc
new file mode 100644
index 0000000..4b2a601
--- /dev/null
+++ b/y2024_bot3/constants/constants_formatter.cc
@@ -0,0 +1,27 @@
+#include "absl/log/check.h"
+#include "absl/log/log.h"
+
+#include "aos/flatbuffers.h"
+#include "aos/init.h"
+#include "aos/json_to_flatbuffer.h"
+#include "aos/util/file.h"
+#include "y2024_bot3/constants/constants_list_generated.h"
+
+int main(int argc, char **argv) {
+  ::aos::InitGoogle(&argc, &argv);
+
+  CHECK(argc == 3) << ": Expected input and output json files to be passed in.";
+
+  aos::FlatbufferDetachedBuffer<y2024_bot3::ConstantsList> constants =
+      aos::JsonFileToFlatbuffer<y2024_bot3::ConstantsList>(argv[1]);
+
+  // Make sure the file is valid json before we output a formatted version.
+  CHECK(constants.message().constants() != nullptr)
+      << ": Failed to parse " << std::string(argv[2]);
+
+  aos::util::WriteStringToFileOrDie(
+      std::string(argv[2]),
+      aos::FlatbufferToJson(constants, {.multi_line = true}));
+
+  return 0;
+}