After review

* Made an assets folder for the pics
* Fix typos, content and made some things more clear
3 jobs for docs_split_up_user_guide in 8 minutes and 35 seconds (queued for 1 second)
Status Job ID Name Coverage
  Lint
passed #138686
lint

00:02:13

 
  Build
passed #138687
build

00:03:03

 
  Test
passed #138688
test

00:03:18