* got completions

The ~got~ completion currently supports the following arguments:

** Level 1
#+begin_src ksh
	add \
	bl blame \
	bo backout \
	br branch \
	cat \
	ci commit \
	cl clone \
	co checkout \
	cy cherrypick \
	di diff \
	fe fetch \
	he histedit \
	ig integrate \
	im import \
	in init \
	log \
	rb rebase \
	ref \
	rm remove \
	rv revert \
	sg stage \
	st status \
	tag \
	tr tree \
	ug unstage \
	up update
#+end_src