Assistant: Prepare and validate Windows USB scenario

Originally created by @sajolida on #9201 (Redmine)

Terminology
Infography
Division of steps
Documentation semantics (caution, note, info, shortcut, major step, minor step)
Written content

Blueprint: https://tails.boum.org/blueprint/bootstrapping/assistant/windows#index4h1

Parent Task: #9199 (closed)

Related issues

Blocked by #9200 (closed)
Blocks #9202 (closed)

Edited May 15, 2020 by sajolida

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information