Big File Support Spec

[MuxZeroNet]

Please provide the specification for the big file support feature. If you don't know where to start, here are some example topics to write about.

How big files are hashed. How merkle trees are made.

Piece size, hashing algorithm, number of leaf nodes, etc.

How a big file is represented in content.json

Piece field format, hashing algorithm, keywords, etc.

Does big file support introduce changes to the network protocol?

Are big files transmitted over the current network protocol? Is the network protocol changed?

What are the preferred ways to store an incomplete big file?

How did you do it.

The status of the current specification.

Draft, pending review, recently revised, final version, etc.