Build a POS Web app

Build a POS Web app mobile responsive shopping cart, graph report of resources, payment of bill with credit card online and offline option, cash payment, global chat ajax system, custom subscription setting by website admin price time trial, custom logo for restaurant or shop and employee account with background upload custom by admin of shop or restaurant, google language widget, restaurant option has a table selection page before menu- shop goes to same page but it is store where you can place or scan barcode filter search category price filter, special offers section in both top of page, customer can access account on restaurant or shop and shop or order delivery payable by cash or credit card or pickup in store/restaurant on counter checkout, view log file of customer and employee activity with ban option, product expiry date, log with amount in stock e.g. 15/20, schedule table for employees, log end of day printable like bill printable and formatted with address logo or name barcode for return, tax section set by website admin on subscription based on country and state approval of subscription, send email about new subscriptions to set email in website admin area, option in settings to set recurring cost of business like rent or electricity bill, graph reports and table reports, custom dish in restaurant menu to create custom salad or pizza for example from ingredients, coupon code section upon subscription of business, point system for customers with also system of paying at end of month for example so owed money of customer on file