install sub command tut

## Install execution script to PC
mkdir ~/.scripts
mkdir ~/bin
vim ~/.scripts/ws
# Copy execution script gist to this file
install ~/.scripts/ws ~/bin/ws

## Add completion
vim ~/.scrtipts/ws.bash
# Copy completion gist to ws.bash
# Add command to .bashrc
`source ~/.scripts/ws.bash`
source ~/.bashrc

# If source fail with err 's/\r//'
sed -i 's/\r//' ~/.scripts/ws

# If using zsh include these codes before add `source ws.bash` line
autoload bashcompinit
bashcompinit