Update out-of-date information on Features page about lookit-docs HOT 2 CLOSED

-b <branch>           create and checkout a new branch
-B <branch>           create/reset and checkout a branch
-l                    create reflog for new branch
--guess               second guess 'git checkout <no-such-branch>' (default)
--overlay             use overlay mode (default)
-q, --quiet           suppress progress reporting
--recurse-submodules[=<checkout>]
                      control recursive updating of submodules
--progress            force progress reporting
-m, --merge           perform a 3-way merge with the new branch
--conflict <style>    conflict style (merge or diff3)
-d, --detach          detach HEAD at named commit
-t, --track           set upstream info for new branch
-f, --force           force checkout (throw away local modifications)
--orphan <new-branch>
                      new unparented branch
--overwrite-ignore    update ignored files (default)
--ignore-other-worktrees
                      do not check if another worktree is holding the given ref
-2, --ours            checkout our version for unmerged files
-3, --theirs          checkout their version for unmerged files
-p, --patch           select hunks interactively
--ignore-skip-worktree-bits
                      do not limit pathspecs to sparse entries only