[#168] documentation. finish window shell crate.

3 jobs for 168-subcrate-shell in 12 minutes and 55 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #13937
build:linux

00:03:32

passed #13938
build:redox

00:07:47

 
  Test
passed #13939
test:linux

00:05:08