Dump Voron header contents into text files

Program.cs

FileHeader* one = stackalloc FileHeader[1];
FileHeader* two = stackalloc FileHeader[1];

if (!Win32Helper.TryReadFileHeader(one, "headers.one"))
  throw new Win32Exception();

if (!Win32Helper.TryReadFileHeader(two, "headers.two"))
  throw new Win32Exception();

var oneJson = RavenJObject.FromObject(*one);
File.WriteAllText("one.json", oneJson.ToString());

var twoJson = RavenJObject.FromObject(*two);
File.WriteAllText("two.json", twoJson.ToString());