bare bones start to usr/

 On branch usr

	modified:   .gitignore
	new file:   usr/bin/jfd
	new file:   usr/completions/jfd.bash
	new file:   usr/completions/jfd.zsh
	new file:   usr/libexec/jfd
	new file:   usr/libexec/jfd-commands
	new file:   usr/libexec/jfd-completions
	new file:   usr/libexec/jfd-help
	new file:   usr/libexec/jfd-sh-shell