Add `loafcli` (online loaf cli tool) documentation.

[defcron]

Fix bugs noticed from running stuff similar as below and checking operations and output, and consider that stuff examples of intended usage sort of:

mkdir -p ~/.local/bin && curl -sL https://tinyurl.com/loafcli -o ~/.local/bin/loafcli && chmod 755 ~/.local/bin/loafcli && loafcli --help