NF: tools/text2filetree.py helper to convert some indented text into our filetree example spec

[yarikoptic]

trafficstars

See included within script tests

It was produced pretty much fully by just interacting with Claude . chatgpt got stuck on inability to run tests itself (although it did try!).

Original demand came while working on

• #1705

while transferring examples from google doc (yet to actually use the script on them fully ;) )