Images updated in docs

Android emulator images added

Initial docs build

Toolbar color changed

Background updated of login page

Products buy screen completed

Recycler view added for credit cards

Deletion of cart Item successfull

Card data gets pushed into database

Fields going invisible needs testing

Credit card addition field

Payment Selection screen added

Cart items loads into database

Adding cart items to the database

Merge branch 'master' of https://github.com/paraspathak/Bazar