added inventory route, inventory component with table and dummy data, TODO search on table
inventory table with search working, dummy data still no backend
meaningless
minor changes, TODO: add edit and delete buttons on inventory table
minor fix
added price field to product
added sellpoint controller, still much to do
order detail updating price on quantity change, changes on styling
live binded changes on order detail. Increase and decrease of quantity, calculation of subtotal is binded to this actions. Missing validation of adding items to orderdetail when inventory existence is 0. UI changed as well with new bootstrap styling no longer using flat ui
fixed bug related on updating of quantity shown in table when  product was added to order detail. Fixed bug of subtotal still been calculated even when quantity of product on inventory was already zero