Squashed 'nolink/cli_cheat/' content from commit 50b18a0

git-subtree-dir: nolink/cli_cheat
git-subtree-split: 50b18a0169758fec057c0348ab92f5a243d10d86
Merge commit 'b5a385f87a7619d962c48b5f5d6e52e319986149' as 'nolink/cli_cheat'
Now symlinking symbolic links as well as files.
Added cli cheat command.
Hidden home .cheat dir.

Holds all cheatsheets for varying unix commands.