chore: import upstream snapshot with attribution

rerun_cpp/tests/header_checks.cpp

@@ -0,0 +1,22 @@
+#include <rerun.hpp>
+
+// ARROW_EXPORT is included by <arrow/util/visibility.h>
+// ARROW_EXPAND is included by <arrow/util/macros.h>
+// Both are included by almost all arrow headers.
+#if defined(ARROW_EXPORT) || defined(ARROW_EXPAND)
+static_assert(
+    false,
+    "ARROW_EXPORT or ARROW_EXPAND should not be defined. This indicates that we're leaking arrow "
+    "headers through "
+    "rerun.hpp!"
+);
+#endif
+
+#if defined(RERUN_H)
+static_assert(
+    false,
+    "RERUN_H should not be defined. This indicates that we're leaking the c/rerun.h "
+    "through "
+    "rerun.hpp!"
+);
+#endif