Used shellcheck to find issues;fixed the issues

Added command setup again

Removed hard coded repo link

Better suggestion on how to use.

added .directory icon

Fixed typo

Clarity of what to do for FISH

Permanently set the path, not just temporarily

Able to copy git command and added FISH to add path

Fixed command typo

Maked it easier to copy commands

Usablility changes

Instructions for github keys

Fixed typo

More clearity

Added clearity in what the file should look like

Instructions to enable sshd

Warning before the command

Backup information

Updated run script examples

Fixed typo and update comments for ssh key

Fixed up readme for ssh and added gpg

Fixed typo

Added install instructions

Updated ssh key readme to reflect change in script

Updated Readme

Removed obsolete commands

Updated Readme