Add version.h

Author: igorcanadi

include/rocksdb/db.h

@@ -15,6 +15,7 @@
 #include <vector>
 #include <string>
 #include <unordered_map>
+#include "rocksdb/version.h"
 #include "rocksdb/iterator.h"
 #include "rocksdb/options.h"
 #include "rocksdb/types.h"

include/rocksdb/version.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#define __ROCKSDB_MAJOR__ 3
+#define __ROCKSDB_MINOR__ 0
+#define __ROCKSDB_PATCH__ 0