brute-force initial implementation

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Support non-direct cafes

SNU have direct / non-direct operating cafes. Support non-direct cafes,
too.

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
print price of menu

Signed-off-by: SeongJae Park <sj38.park@gmail.com>