Kaitai - might be worth trying for new formats

[Nick Burch]

Hi All

I came across Kaitai - http://kaitai.io/ - yesterday. Based on the 
experiences documented in this twitter thread on understanding + parsing
an embedded filesystem:
  https://twitter.com/wrongbaud/status/1424380510671880198
Looks like it might be worth a look for if we need to write our own code 
for a new format in the future!

Cheers
Nick