clear main.css
overwrite index.html
add controler file
add service file
modify app.js
add controller test
add service test
add template file
modify test cart.js
modify test list.js
modify test categoryManage.js
modify test productManage.js
modify test updateProduct.js
modify test index.js
modify test result.js
modify test cartService.js
modify test categoryManageservice.js
modify test productmanageService.js
modify test productService.js